78121160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7907}}^1$

素因数の和:7950

約数の個数: 64

約数和(自身を含む): 199281600

約数和(自身を除く): 121160440

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7907, 9880, 15814, 31628, 39535, 63256, 79070, 102791, 150233, 158140, 205582, 300466, 316280, 411164, 513955, 600932, 751165, 822328, 1027910, 1201864, 1502330, 1953029, 2055820, 3004660, 3906058, 4111640, 6009320, 7812116, 9765145, 15624232, 19530290, 39060580, 78121160]

約数ペア:

[(1, 78121160), (2, 39060580), (4, 19530290), (5, 15624232), (8, 9765145), (10, 7812116), (13, 6009320), (19, 4111640), (20, 3906058), (26, 3004660), (38, 2055820), (40, 1953029), (52, 1502330), (65, 1201864), (76, 1027910), (95, 822328), (104, 751165), (130, 600932), (152, 513955), (190, 411164), (247, 316280), (260, 300466), (380, 205582), (494, 158140), (520, 150233), (760, 102791), (988, 79070), (1235, 63256), (1976, 39535), (2470, 31628), (4940, 15814), (7907, 9880)]