81140640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 384

約数和(自身を含む): 325140480

約数和(自身を除く): 243999840

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, 41, 42, 48, 56, 57, 60, 62, 70, 76, 80, 82, 84, 93, 95, 96, 105, 112, 114, 120, 123, 124, 133, 140, 152, 155, 160, 164, 168, 186, 190, 205, 210, 217, 224, 228, 240, 246, 248, 266, 280, 285, 287, 304, 310, 328, 336, 372, 380, 399, 410, 420, 434, 456, 465, 480, 492, 496, 532, 560, 570, 574, 589, 608, 615, 620, 651, 656, 665, 672, 744, 760, 779, 798, 820, 840, 861, 868, 912, 930, 984, 992, 1064, 1085, 1120, 1140, 1148, 1178, 1230, 1240, 1271, 1302, 1312, 1330, 1435, 1488, 1520, 1558, 1596, 1640, 1680, 1722, 1736, 1767, 1824, 1860, 1968, 1995, 2128, 2170, 2280, 2296, 2337, 2356, 2460, 2480, 2542, 2604, 2660, 2870, 2945, 2976, 3040, 3116, 3192, 3255, 3280, 3360, 3444, 3472, 3534, 3720, 3813, 3895, 3936, 3990, 4123, 4256, 4305, 4340, 4560, 4592, 4674, 4712, 4920, 4960, 5084, 5208, 5320, 5453, 5740, 5890, 6232, 6355, 6384, 6510, 6560, 6888, 6944, 7068, 7440, 7626, 7790, 7980, 8246, 8610, 8680, 8835, 8897, 9120, 9184, 9348, 9424, 9840, 10168, 10416, 10640, 10906, 11480, 11685, 11780, 12369, 12464, 12710, 12768, 13020, 13776, 14136, 14880, 15252, 15580, 15960, 16359, 16492, 17220, 17360, 17670, 17794, 18696, 18848, 19065, 19680, 20336, 20615, 20832, 21280, 21812, 22960, 23370, 23560, 24149, 24738, 24928, 25420, 26040, 26691, 27265, 27552, 28272, 30504, 31160, 31920, 32718, 32984, 34440, 34720, 35340, 35588, 37392, 38130, 40672, 41230, 43624, 44485, 45920, 46740, 47120, 48298, 49476, 50840, 52080, 53382, 54530, 56544, 61008, 61845, 62320, 63840, 65436, 65968, 68880, 70680, 71176, 72447, 74784, 76260, 81795, 82460, 87248, 88970, 93480, 94240, 96596, 98952, 101680, 104160, 106764, 109060, 120745, 122016, 123690, 124640, 130872, 131936, 133455, 137760, 141360, 142352, 144894, 152520, 163590, 164920, 169043, 174496, 177940, 186960, 193192, 197904, 203360, 213528, 218120, 241490, 247380, 261744, 266910, 282720, 284704, 289788, 305040, 327180, 329840, 338086, 355880, 362235, 373920, 386384, 395808, 427056, 436240, 482980, 494760, 507129, 523488, 533820, 579576, 610080, 654360, 659680, 676172, 711760, 724470, 772768, 845215, 854112, 872480, 965960, 989520, 1014258, 1067640, 1159152, 1308720, 1352344, 1423520, 1448940, 1690430, 1931920, 1979040, 2028516, 2135280, 2318304, 2535645, 2617440, 2704688, 2897880, 3380860, 3863840, 4057032, 4270560, 5071290, 5409376, 5795760, 6761720, 8114064, 10142580, 11591520, 13523440, 16228128, 20285160, 27046880, 40570320, 81140640]

約数ペア:

[(1, 81140640), (2, 40570320), (3, 27046880), (4, 20285160), (5, 16228128), (6, 13523440), (7, 11591520), (8, 10142580), (10, 8114064), (12, 6761720), (14, 5795760), (15, 5409376), (16, 5071290), (19, 4270560), (20, 4057032), (21, 3863840), (24, 3380860), (28, 2897880), (30, 2704688), (31, 2617440), (32, 2535645), (35, 2318304), (38, 2135280), (40, 2028516), (41, 1979040), (42, 1931920), (48, 1690430), (56, 1448940), (57, 1423520), (60, 1352344), (62, 1308720), (70, 1159152), (76, 1067640), (80, 1014258), (82, 989520), (84, 965960), (93, 872480), (95, 854112), (96, 845215), (105, 772768), (112, 724470), (114, 711760), (120, 676172), (123, 659680), (124, 654360), (133, 610080), (140, 579576), (152, 533820), (155, 523488), (160, 507129), (164, 494760), (168, 482980), (186, 436240), (190, 427056), (205, 395808), (210, 386384), (217, 373920), (224, 362235), (228, 355880), (240, 338086), (246, 329840), (248, 327180), (266, 305040), (280, 289788), (285, 284704), (287, 282720), (304, 266910), (310, 261744), (328, 247380), (336, 241490), (372, 218120), (380, 213528), (399, 203360), (410, 197904), (420, 193192), (434, 186960), (456, 177940), (465, 174496), (480, 169043), (492, 164920), (496, 163590), (532, 152520), (560, 144894), (570, 142352), (574, 141360), (589, 137760), (608, 133455), (615, 131936), (620, 130872), (651, 124640), (656, 123690), (665, 122016), (672, 120745), (744, 109060), (760, 106764), (779, 104160), (798, 101680), (820, 98952), (840, 96596), (861, 94240), (868, 93480), (912, 88970), (930, 87248), (984, 82460), (992, 81795), (1064, 76260), (1085, 74784), (1120, 72447), (1140, 71176), (1148, 70680), (1178, 68880), (1230, 65968), (1240, 65436), (1271, 63840), (1302, 62320), (1312, 61845), (1330, 61008), (1435, 56544), (1488, 54530), (1520, 53382), (1558, 52080), (1596, 50840), (1640, 49476), (1680, 48298), (1722, 47120), (1736, 46740), (1767, 45920), (1824, 44485), (1860, 43624), (1968, 41230), (1995, 40672), (2128, 38130), (2170, 37392), (2280, 35588), (2296, 35340), (2337, 34720), (2356, 34440), (2460, 32984), (2480, 32718), (2542, 31920), (2604, 31160), (2660, 30504), (2870, 28272), (2945, 27552), (2976, 27265), (3040, 26691), (3116, 26040), (3192, 25420), (3255, 24928), (3280, 24738), (3360, 24149), (3444, 23560), (3472, 23370), (3534, 22960), (3720, 21812), (3813, 21280), (3895, 20832), (3936, 20615), (3990, 20336), (4123, 19680), (4256, 19065), (4305, 18848), (4340, 18696), (4560, 17794), (4592, 17670), (4674, 17360), (4712, 17220), (4920, 16492), (4960, 16359), (5084, 15960), (5208, 15580), (5320, 15252), (5453, 14880), (5740, 14136), (5890, 13776), (6232, 13020), (6355, 12768), (6384, 12710), (6510, 12464), (6560, 12369), (6888, 11780), (6944, 11685), (7068, 11480), (7440, 10906), (7626, 10640), (7790, 10416), (7980, 10168), (8246, 9840), (8610, 9424), (8680, 9348), (8835, 9184), (8897, 9120)]