131510820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{601}}^1$

素因数の和:1141

約数の個数: 96

約数和(自身を含む): 422343936

約数和(自身を除く): 290833116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 521, 601, 1042, 1202, 1563, 1803, 2084, 2404, 2605, 3005, 3126, 3606, 3647, 4207, 5210, 6010, 6252, 7212, 7294, 7815, 8414, 9015, 10420, 10941, 12020, 12621, 14588, 15630, 16828, 18030, 18235, 21035, 21882, 25242, 31260, 36060, 36470, 42070, 43764, 50484, 54705, 63105, 72940, 84140, 109410, 126210, 218820, 252420, 313121, 626242, 939363, 1252484, 1565605, 1878726, 2191847, 3131210, 3757452, 4383694, 4696815, 6262420, 6575541, 8767388, 9393630, 10959235, 13151082, 18787260, 21918470, 26302164, 32877705, 43836940, 65755410, 131510820]

約数ペア:

[(1, 131510820), (2, 65755410), (3, 43836940), (4, 32877705), (5, 26302164), (6, 21918470), (7, 18787260), (10, 13151082), (12, 10959235), (14, 9393630), (15, 8767388), (20, 6575541), (21, 6262420), (28, 4696815), (30, 4383694), (35, 3757452), (42, 3131210), (60, 2191847), (70, 1878726), (84, 1565605), (105, 1252484), (140, 939363), (210, 626242), (420, 313121), (521, 252420), (601, 218820), (1042, 126210), (1202, 109410), (1563, 84140), (1803, 72940), (2084, 63105), (2404, 54705), (2605, 50484), (3005, 43764), (3126, 42070), (3606, 36470), (3647, 36060), (4207, 31260), (5210, 25242), (6010, 21882), (6252, 21035), (7212, 18235), (7294, 18030), (7815, 16828), (8414, 15630), (9015, 14588), (10420, 12621), (10941, 12020)]