64235640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{76471}}^1$

素因数の和:76492

約数の個数: 64

約数和(自身を含む): 220239360

約数和(自身を除く): 156003720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 76471, 152942, 229413, 305884, 382355, 458826, 535297, 611768, 764710, 917652, 1070594, 1147065, 1529420, 1605891, 1835304, 2141188, 2294130, 2676485, 3058840, 3211782, 4282376, 4588260, 5352970, 6423564, 8029455, 9176520, 10705940, 12847128, 16058910, 21411880, 32117820, 64235640]

約数ペア:

[(1, 64235640), (2, 32117820), (3, 21411880), (4, 16058910), (5, 12847128), (6, 10705940), (7, 9176520), (8, 8029455), (10, 6423564), (12, 5352970), (14, 4588260), (15, 4282376), (20, 3211782), (21, 3058840), (24, 2676485), (28, 2294130), (30, 2141188), (35, 1835304), (40, 1605891), (42, 1529420), (56, 1147065), (60, 1070594), (70, 917652), (84, 764710), (105, 611768), (120, 535297), (140, 458826), (168, 382355), (210, 305884), (280, 229413), (420, 152942), (840, 76471)]