128631276

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1579

約数の個数: 72

約数和(自身を含む): 340121600

約数和(自身を除く): 211490324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 237, 279, 316, 372, 474, 558, 711, 948, 1116, 1422, 1459, 2449, 2844, 2918, 4377, 4898, 5836, 7347, 8754, 9796, 13131, 14694, 17508, 22041, 26262, 29388, 44082, 45229, 52524, 88164, 90458, 115261, 135687, 180916, 230522, 271374, 345783, 407061, 461044, 542748, 691566, 814122, 1037349, 1383132, 1628244, 2074698, 3573091, 4149396, 7146182, 10719273, 14292364, 21438546, 32157819, 42877092, 64315638, 128631276]

約数ペア:

[(1, 128631276), (2, 64315638), (3, 42877092), (4, 32157819), (6, 21438546), (9, 14292364), (12, 10719273), (18, 7146182), (31, 4149396), (36, 3573091), (62, 2074698), (79, 1628244), (93, 1383132), (124, 1037349), (158, 814122), (186, 691566), (237, 542748), (279, 461044), (316, 407061), (372, 345783), (474, 271374), (558, 230522), (711, 180916), (948, 135687), (1116, 115261), (1422, 90458), (1459, 88164), (2449, 52524), (2844, 45229), (2918, 44082), (4377, 29388), (4898, 26262), (5836, 22041), (7347, 17508), (8754, 14694), (9796, 13131)]