1990914240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 448

約数和(自身を含む): 7865303040

約数和(自身を除く): 5874388800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 32, 35, 38, 40, 42, 48, 56, 57, 60, 62, 64, 70, 76, 80, 84, 93, 95, 96, 105, 112, 114, 120, 124, 133, 140, 152, 155, 160, 168, 186, 190, 192, 210, 217, 224, 228, 240, 248, 266, 280, 285, 304, 310, 320, 336, 372, 380, 399, 420, 434, 448, 456, 465, 480, 496, 503, 532, 560, 570, 589, 608, 620, 651, 665, 672, 744, 760, 798, 840, 868, 912, 930, 960, 992, 1006, 1064, 1085, 1120, 1140, 1178, 1216, 1240, 1302, 1330, 1344, 1488, 1509, 1520, 1596, 1680, 1736, 1767, 1824, 1860, 1984, 1995, 2012, 2128, 2170, 2240, 2280, 2356, 2480, 2515, 2604, 2660, 2945, 2976, 3018, 3040, 3192, 3255, 3360, 3472, 3521, 3534, 3648, 3720, 3990, 4024, 4123, 4256, 4340, 4560, 4712, 4960, 5030, 5208, 5320, 5890, 5952, 6036, 6080, 6384, 6510, 6720, 6944, 7042, 7068, 7440, 7545, 7980, 8048, 8246, 8512, 8680, 8835, 9120, 9424, 9557, 9920, 10060, 10416, 10563, 10640, 11780, 12072, 12369, 12768, 13020, 13888, 14084, 14136, 14880, 15090, 15593, 15960, 16096, 16492, 17360, 17605, 17670, 18240, 18848, 19114, 20120, 20615, 20832, 21126, 21280, 23560, 24144, 24738, 25536, 26040, 28168, 28272, 28671, 29760, 30180, 31186, 31920, 32192, 32984, 34720, 35210, 35340, 37696, 38228, 40240, 41230, 41664, 42252, 42560, 46779, 47120, 47785, 48288, 49476, 52080, 52815, 56336, 56544, 57342, 60360, 61845, 62372, 63840, 65968, 66899, 69440, 70420, 70680, 76456, 77965, 80480, 82460, 84504, 93558, 94240, 95570, 96576, 98952, 104160, 105630, 109151, 112672, 113088, 114684, 120720, 123690, 124744, 127680, 131936, 133798, 140840, 141360, 143355, 152912, 155930, 160960, 164920, 169008, 187116, 188480, 191140, 197904, 200697, 208320, 211260, 218302, 225344, 229368, 233895, 241440, 247380, 249488, 263872, 267596, 281680, 282720, 286710, 296267, 305824, 311860, 327453, 329840, 334495, 338016, 374232, 382280, 395808, 401394, 422520, 436604, 458736, 467790, 482880, 494760, 498976, 535192, 545755, 563360, 565440, 573420, 592534, 611648, 623720, 654906, 659680, 668990, 676032, 748464, 764560, 791616, 802788, 845040, 873208, 888801, 917472, 935580, 989520, 997952, 1003485, 1070384, 1091510, 1126720, 1146840, 1185068, 1247440, 1309812, 1319360, 1337980, 1481335, 1496928, 1529120, 1605576, 1637265, 1690080, 1746416, 1777602, 1834944, 1871160, 1979040, 2006970, 2073869, 2140768, 2183020, 2293680, 2370136, 2494880, 2619624, 2675960, 2962670, 2993856, 3058240, 3211152, 3274530, 3380160, 3492832, 3555204, 3742320, 3958080, 4013940, 4147738, 4281536, 4366040, 4444005, 4587360, 4740272, 4989760, 5239248, 5351920, 5925340, 6221607, 6422304, 6549060, 6985664, 7110408, 7484640, 8027880, 8295476, 8732080, 8888010, 9174720, 9480544, 10369345, 10478496, 10703840, 11850680, 12443214, 12844608, 13098120, 14220816, 14969280, 16055760, 16590952, 17464160, 17776020, 18961088, 20738690, 20956992, 21407680, 23701360, 24886428, 26196240, 28441632, 31108035, 32111520, 33181904, 34928320, 35552040, 41477380, 47402720, 49772856, 52392480, 56883264, 62216070, 64223040, 66363808, 71104080, 82954760, 94805440, 99545712, 104784960, 124432140, 132727616, 142208160, 165909520, 199091424, 248864280, 284416320, 331819040, 398182848, 497728560, 663638080, 995457120, 1990914240]

約数ペア:

[(1, 1990914240), (2, 995457120), (3, 663638080), (4, 497728560), (5, 398182848), (6, 331819040), (7, 284416320), (8, 248864280), (10, 199091424), (12, 165909520), (14, 142208160), (15, 132727616), (16, 124432140), (19, 104784960), (20, 99545712), (21, 94805440), (24, 82954760), (28, 71104080), (30, 66363808), (31, 64223040), (32, 62216070), (35, 56883264), (38, 52392480), (40, 49772856), (42, 47402720), (48, 41477380), (56, 35552040), (57, 34928320), (60, 33181904), (62, 32111520), (64, 31108035), (70, 28441632), (76, 26196240), (80, 24886428), (84, 23701360), (93, 21407680), (95, 20956992), (96, 20738690), (105, 18961088), (112, 17776020), (114, 17464160), (120, 16590952), (124, 16055760), (133, 14969280), (140, 14220816), (152, 13098120), (155, 12844608), (160, 12443214), (168, 11850680), (186, 10703840), (190, 10478496), (192, 10369345), (210, 9480544), (217, 9174720), (224, 8888010), (228, 8732080), (240, 8295476), (248, 8027880), (266, 7484640), (280, 7110408), (285, 6985664), (304, 6549060), (310, 6422304), (320, 6221607), (336, 5925340), (372, 5351920), (380, 5239248), (399, 4989760), (420, 4740272), (434, 4587360), (448, 4444005), (456, 4366040), (465, 4281536), (480, 4147738), (496, 4013940), (503, 3958080), (532, 3742320), (560, 3555204), (570, 3492832), (589, 3380160), (608, 3274530), (620, 3211152), (651, 3058240), (665, 2993856), (672, 2962670), (744, 2675960), (760, 2619624), (798, 2494880), (840, 2370136), (868, 2293680), (912, 2183020), (930, 2140768), (960, 2073869), (992, 2006970), (1006, 1979040), (1064, 1871160), (1085, 1834944), (1120, 1777602), (1140, 1746416), (1178, 1690080), (1216, 1637265), (1240, 1605576), (1302, 1529120), (1330, 1496928), (1344, 1481335), (1488, 1337980), (1509, 1319360), (1520, 1309812), (1596, 1247440), (1680, 1185068), (1736, 1146840), (1767, 1126720), (1824, 1091510), (1860, 1070384), (1984, 1003485), (1995, 997952), (2012, 989520), (2128, 935580), (2170, 917472), (2240, 888801), (2280, 873208), (2356, 845040), (2480, 802788), (2515, 791616), (2604, 764560), (2660, 748464), (2945, 676032), (2976, 668990), (3018, 659680), (3040, 654906), (3192, 623720), (3255, 611648), (3360, 592534), (3472, 573420), (3521, 565440), (3534, 563360), (3648, 545755), (3720, 535192), (3990, 498976), (4024, 494760), (4123, 482880), (4256, 467790), (4340, 458736), (4560, 436604), (4712, 422520), (4960, 401394), (5030, 395808), (5208, 382280), (5320, 374232), (5890, 338016), (5952, 334495), (6036, 329840), (6080, 327453), (6384, 311860), (6510, 305824), (6720, 296267), (6944, 286710), (7042, 282720), (7068, 281680), (7440, 267596), (7545, 263872), (7980, 249488), (8048, 247380), (8246, 241440), (8512, 233895), (8680, 229368), (8835, 225344), (9120, 218302), (9424, 211260), (9557, 208320), (9920, 200697), (10060, 197904), (10416, 191140), (10563, 188480), (10640, 187116), (11780, 169008), (12072, 164920), (12369, 160960), (12768, 155930), (13020, 152912), (13888, 143355), (14084, 141360), (14136, 140840), (14880, 133798), (15090, 131936), (15593, 127680), (15960, 124744), (16096, 123690), (16492, 120720), (17360, 114684), (17605, 113088), (17670, 112672), (18240, 109151), (18848, 105630), (19114, 104160), (20120, 98952), (20615, 96576), (20832, 95570), (21126, 94240), (21280, 93558), (23560, 84504), (24144, 82460), (24738, 80480), (25536, 77965), (26040, 76456), (28168, 70680), (28272, 70420), (28671, 69440), (29760, 66899), (30180, 65968), (31186, 63840), (31920, 62372), (32192, 61845), (32984, 60360), (34720, 57342), (35210, 56544), (35340, 56336), (37696, 52815), (38228, 52080), (40240, 49476), (41230, 48288), (41664, 47785), (42252, 47120), (42560, 46779)]