39680760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 137733120

約数和(自身を除く): 98052360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 487, 582, 679, 776, 840, 970, 974, 1164, 1358, 1455, 1461, 1940, 1948, 2037, 2328, 2435, 2716, 2910, 2922, 3395, 3409, 3880, 3896, 4074, 4870, 5432, 5820, 5844, 6790, 6818, 7305, 8148, 9740, 10185, 10227, 11640, 11688, 13580, 13636, 14610, 16296, 17045, 19480, 20370, 20454, 27160, 27272, 29220, 34090, 40740, 40908, 47239, 51135, 58440, 68180, 81480, 81816, 94478, 102270, 136360, 141717, 188956, 204540, 236195, 283434, 330673, 377912, 409080, 472390, 566868, 661346, 708585, 944780, 992019, 1133736, 1322692, 1417170, 1653365, 1889560, 1984038, 2645384, 2834340, 3306730, 3968076, 4960095, 5668680, 6613460, 7936152, 9920190, 13226920, 19840380, 39680760]

約数ペア:

[(1, 39680760), (2, 19840380), (3, 13226920), (4, 9920190), (5, 7936152), (6, 6613460), (7, 5668680), (8, 4960095), (10, 3968076), (12, 3306730), (14, 2834340), (15, 2645384), (20, 1984038), (21, 1889560), (24, 1653365), (28, 1417170), (30, 1322692), (35, 1133736), (40, 992019), (42, 944780), (56, 708585), (60, 661346), (70, 566868), (84, 472390), (97, 409080), (105, 377912), (120, 330673), (140, 283434), (168, 236195), (194, 204540), (210, 188956), (280, 141717), (291, 136360), (388, 102270), (420, 94478), (485, 81816), (487, 81480), (582, 68180), (679, 58440), (776, 51135), (840, 47239), (970, 40908), (974, 40740), (1164, 34090), (1358, 29220), (1455, 27272), (1461, 27160), (1940, 20454), (1948, 20370), (2037, 19480), (2328, 17045), (2435, 16296), (2716, 14610), (2910, 13636), (2922, 13580), (3395, 11688), (3409, 11640), (3880, 10227), (3896, 10185), (4074, 9740), (4870, 8148), (5432, 7305), (5820, 6818), (5844, 6790)]