280773760

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 703261440

約数和(自身を除く): 422487680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 71, 74, 80, 128, 142, 148, 160, 167, 185, 284, 296, 320, 334, 355, 370, 568, 592, 640, 668, 710, 740, 835, 1136, 1184, 1336, 1420, 1480, 1670, 2272, 2368, 2627, 2672, 2840, 2960, 3340, 4544, 4736, 5254, 5344, 5680, 5920, 6179, 6680, 9088, 10508, 10688, 11360, 11840, 11857, 12358, 13135, 13360, 21016, 21376, 22720, 23680, 23714, 24716, 26270, 26720, 30895, 42032, 45440, 47428, 49432, 52540, 53440, 59285, 61790, 84064, 94856, 98864, 105080, 106880, 118570, 123580, 168128, 189712, 197728, 210160, 237140, 247160, 336256, 379424, 395456, 420320, 438709, 474280, 494320, 758848, 790912, 840640, 877418, 948560, 988640, 1517696, 1681280, 1754836, 1897120, 1977280, 2193545, 3509672, 3794240, 3954560, 4387090, 7019344, 7588480, 8774180, 14038688, 17548360, 28077376, 35096720, 56154752, 70193440, 140386880, 280773760]

約数ペア:

[(1, 280773760), (2, 140386880), (4, 70193440), (5, 56154752), (8, 35096720), (10, 28077376), (16, 17548360), (20, 14038688), (32, 8774180), (37, 7588480), (40, 7019344), (64, 4387090), (71, 3954560), (74, 3794240), (80, 3509672), (128, 2193545), (142, 1977280), (148, 1897120), (160, 1754836), (167, 1681280), (185, 1517696), (284, 988640), (296, 948560), (320, 877418), (334, 840640), (355, 790912), (370, 758848), (568, 494320), (592, 474280), (640, 438709), (668, 420320), (710, 395456), (740, 379424), (835, 336256), (1136, 247160), (1184, 237140), (1336, 210160), (1420, 197728), (1480, 189712), (1670, 168128), (2272, 123580), (2368, 118570), (2627, 106880), (2672, 105080), (2840, 98864), (2960, 94856), (3340, 84064), (4544, 61790), (4736, 59285), (5254, 53440), (5344, 52540), (5680, 49432), (5920, 47428), (6179, 45440), (6680, 42032), (9088, 30895), (10508, 26720), (10688, 26270), (11360, 24716), (11840, 23714), (11857, 23680), (12358, 22720), (13135, 21376), (13360, 21016)]