778593840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{11971}}^1$

素因数の和:12258

約数の個数: 80

約数和(自身を含む): 2422749696

約数和(自身を除く): 1644155856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 4336, 5420, 6504, 8130, 10840, 11971, 13008, 16260, 21680, 23942, 32520, 35913, 47884, 59855, 65040, 71826, 95768, 119710, 143652, 179565, 191536, 239420, 287304, 359130, 478840, 574608, 718260, 957680, 1436520, 2873040, 3244141, 6488282, 9732423, 12976564, 16220705, 19464846, 25953128, 32441410, 38929692, 48662115, 51906256, 64882820, 77859384, 97324230, 129765640, 155718768, 194648460, 259531280, 389296920, 778593840]

約数ペア:

[(1, 778593840), (2, 389296920), (3, 259531280), (4, 194648460), (5, 155718768), (6, 129765640), (8, 97324230), (10, 77859384), (12, 64882820), (15, 51906256), (16, 48662115), (20, 38929692), (24, 32441410), (30, 25953128), (40, 19464846), (48, 16220705), (60, 12976564), (80, 9732423), (120, 6488282), (240, 3244141), (271, 2873040), (542, 1436520), (813, 957680), (1084, 718260), (1355, 574608), (1626, 478840), (2168, 359130), (2710, 287304), (3252, 239420), (4065, 191536), (4336, 179565), (5420, 143652), (6504, 119710), (8130, 95768), (10840, 71826), (11971, 65040), (13008, 59855), (16260, 47884), (21680, 35913), (23942, 32520)]