248864280

素因数分解:

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

素因数の和:574

約数の個数: 256

約数和(自身を含む): 928972800

約数和(自身を除く): 680108520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 456, 465, 503, 532, 570, 589, 620, 651, 665, 744, 760, 798, 840, 868, 930, 1006, 1064, 1085, 1140, 1178, 1240, 1302, 1330, 1509, 1596, 1736, 1767, 1860, 1995, 2012, 2170, 2280, 2356, 2515, 2604, 2660, 2945, 3018, 3192, 3255, 3521, 3534, 3720, 3990, 4024, 4123, 4340, 4712, 5030, 5208, 5320, 5890, 6036, 6510, 7042, 7068, 7545, 7980, 8246, 8680, 8835, 9557, 10060, 10563, 11780, 12072, 12369, 13020, 14084, 14136, 15090, 15593, 15960, 16492, 17605, 17670, 19114, 20120, 20615, 21126, 23560, 24738, 26040, 28168, 28671, 30180, 31186, 32984, 35210, 35340, 38228, 41230, 42252, 46779, 47785, 49476, 52815, 57342, 60360, 61845, 62372, 66899, 70420, 70680, 76456, 77965, 82460, 84504, 93558, 95570, 98952, 105630, 109151, 114684, 123690, 124744, 133798, 140840, 143355, 155930, 164920, 187116, 191140, 200697, 211260, 218302, 229368, 233895, 247380, 267596, 286710, 296267, 311860, 327453, 334495, 374232, 382280, 401394, 422520, 436604, 467790, 494760, 535192, 545755, 573420, 592534, 623720, 654906, 668990, 802788, 873208, 888801, 935580, 1003485, 1091510, 1146840, 1185068, 1309812, 1337980, 1481335, 1605576, 1637265, 1777602, 1871160, 2006970, 2073869, 2183020, 2370136, 2619624, 2675960, 2962670, 3274530, 3555204, 4013940, 4147738, 4366040, 4444005, 5925340, 6221607, 6549060, 7110408, 8027880, 8295476, 8888010, 10369345, 11850680, 12443214, 13098120, 16590952, 17776020, 20738690, 24886428, 31108035, 35552040, 41477380, 49772856, 62216070, 82954760, 124432140, 248864280]

約数ペア:

[(1, 248864280), (2, 124432140), (3, 82954760), (4, 62216070), (5, 49772856), (6, 41477380), (7, 35552040), (8, 31108035), (10, 24886428), (12, 20738690), (14, 17776020), (15, 16590952), (19, 13098120), (20, 12443214), (21, 11850680), (24, 10369345), (28, 8888010), (30, 8295476), (31, 8027880), (35, 7110408), (38, 6549060), (40, 6221607), (42, 5925340), (56, 4444005), (57, 4366040), (60, 4147738), (62, 4013940), (70, 3555204), (76, 3274530), (84, 2962670), (93, 2675960), (95, 2619624), (105, 2370136), (114, 2183020), (120, 2073869), (124, 2006970), (133, 1871160), (140, 1777602), (152, 1637265), (155, 1605576), (168, 1481335), (186, 1337980), (190, 1309812), (210, 1185068), (217, 1146840), (228, 1091510), (248, 1003485), (266, 935580), (280, 888801), (285, 873208), (310, 802788), (372, 668990), (380, 654906), (399, 623720), (420, 592534), (434, 573420), (456, 545755), (465, 535192), (503, 494760), (532, 467790), (570, 436604), (589, 422520), (620, 401394), (651, 382280), (665, 374232), (744, 334495), (760, 327453), (798, 311860), (840, 296267), (868, 286710), (930, 267596), (1006, 247380), (1064, 233895), (1085, 229368), (1140, 218302), (1178, 211260), (1240, 200697), (1302, 191140), (1330, 187116), (1509, 164920), (1596, 155930), (1736, 143355), (1767, 140840), (1860, 133798), (1995, 124744), (2012, 123690), (2170, 114684), (2280, 109151), (2356, 105630), (2515, 98952), (2604, 95570), (2660, 93558), (2945, 84504), (3018, 82460), (3192, 77965), (3255, 76456), (3521, 70680), (3534, 70420), (3720, 66899), (3990, 62372), (4024, 61845), (4123, 60360), (4340, 57342), (4712, 52815), (5030, 49476), (5208, 47785), (5320, 46779), (5890, 42252), (6036, 41230), (6510, 38228), (7042, 35340), (7068, 35210), (7545, 32984), (7980, 31186), (8246, 30180), (8680, 28671), (8835, 28168), (9557, 26040), (10060, 24738), (10563, 23560), (11780, 21126), (12072, 20615), (12369, 20120), (13020, 19114), (14084, 17670), (14136, 17605), (15090, 16492), (15593, 15960)]