7156240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1016

約数の個数: 80

約数和(自身を含む): 20498688

約数和(自身を除く): 13342448

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, 983, 1040, 1456, 1820, 1966, 3640, 3932, 4915, 6881, 7280, 7864, 9830, 12779, 13762, 15728, 19660, 25558, 27524, 34405, 39320, 51116, 55048, 63895, 68810, 78640, 89453, 102232, 110096, 127790, 137620, 178906, 204464, 255580, 275240, 357812, 447265, 511160, 550480, 715624, 894530, 1022320, 1431248, 1789060, 3578120, 7156240]

約数ペア:

[(1, 7156240), (2, 3578120), (4, 1789060), (5, 1431248), (7, 1022320), (8, 894530), (10, 715624), (13, 550480), (14, 511160), (16, 447265), (20, 357812), (26, 275240), (28, 255580), (35, 204464), (40, 178906), (52, 137620), (56, 127790), (65, 110096), (70, 102232), (80, 89453), (91, 78640), (104, 68810), (112, 63895), (130, 55048), (140, 51116), (182, 39320), (208, 34405), (260, 27524), (280, 25558), (364, 19660), (455, 15728), (520, 13762), (560, 12779), (728, 9830), (910, 7864), (983, 7280), (1040, 6881), (1456, 4915), (1820, 3932), (1966, 3640)]