10781680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 30873024

約数和(自身を除く): 20091344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1481, 1820, 2962, 3640, 5924, 7280, 7405, 10367, 11848, 14810, 19253, 20734, 23696, 29620, 38506, 41468, 51835, 59240, 77012, 82936, 96265, 103670, 118480, 134771, 154024, 165872, 192530, 207340, 269542, 308048, 385060, 414680, 539084, 673855, 770120, 829360, 1078168, 1347710, 1540240, 2156336, 2695420, 5390840, 10781680]

約数ペア:

[(1, 10781680), (2, 5390840), (4, 2695420), (5, 2156336), (7, 1540240), (8, 1347710), (10, 1078168), (13, 829360), (14, 770120), (16, 673855), (20, 539084), (26, 414680), (28, 385060), (35, 308048), (40, 269542), (52, 207340), (56, 192530), (65, 165872), (70, 154024), (80, 134771), (91, 118480), (104, 103670), (112, 96265), (130, 82936), (140, 77012), (182, 59240), (208, 51835), (260, 41468), (280, 38506), (364, 29620), (455, 23696), (520, 20734), (560, 19253), (728, 14810), (910, 11848), (1040, 10367), (1456, 7405), (1481, 7280), (1820, 5924), (2962, 3640)]