180928020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2549}}^1$

素因数の和:2594

約数の個数: 144

約数和(自身を含む): 627177600

約数和(自身を除く): 446249580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2549, 2730, 3380, 3549, 4732, 5070, 5098, 5460, 5915, 7098, 7647, 10140, 10196, 11830, 12745, 14196, 15294, 17745, 17843, 23660, 25490, 30588, 33137, 35490, 35686, 38235, 50980, 53529, 66274, 70980, 71372, 76470, 89215, 99411, 107058, 132548, 152940, 165685, 178430, 198822, 214116, 231959, 267645, 331370, 356860, 397644, 430781, 463918, 497055, 535290, 662740, 695877, 861562, 927836, 994110, 1070580, 1159795, 1292343, 1391754, 1723124, 1988220, 2153905, 2319590, 2584686, 2783508, 3015467, 3479385, 4307810, 4639180, 5169372, 6030934, 6461715, 6958770, 8615620, 9046401, 12061868, 12923430, 13917540, 15077335, 18092802, 25846860, 30154670, 36185604, 45232005, 60309340, 90464010, 180928020]

約数ペア:

[(1, 180928020), (2, 90464010), (3, 60309340), (4, 45232005), (5, 36185604), (6, 30154670), (7, 25846860), (10, 18092802), (12, 15077335), (13, 13917540), (14, 12923430), (15, 12061868), (20, 9046401), (21, 8615620), (26, 6958770), (28, 6461715), (30, 6030934), (35, 5169372), (39, 4639180), (42, 4307810), (52, 3479385), (60, 3015467), (65, 2783508), (70, 2584686), (78, 2319590), (84, 2153905), (91, 1988220), (105, 1723124), (130, 1391754), (140, 1292343), (156, 1159795), (169, 1070580), (182, 994110), (195, 927836), (210, 861562), (260, 695877), (273, 662740), (338, 535290), (364, 497055), (390, 463918), (420, 430781), (455, 397644), (507, 356860), (546, 331370), (676, 267645), (780, 231959), (845, 214116), (910, 198822), (1014, 178430), (1092, 165685), (1183, 152940), (1365, 132548), (1690, 107058), (1820, 99411), (2028, 89215), (2366, 76470), (2535, 71372), (2549, 70980), (2730, 66274), (3380, 53529), (3549, 50980), (4732, 38235), (5070, 35686), (5098, 35490), (5460, 33137), (5915, 30588), (7098, 25490), (7647, 23660), (10140, 17843), (10196, 17745), (11830, 15294), (12745, 14196)]