121875880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 340992000

約数和(自身を除く): 219116120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 739, 760, 868, 1064, 1085, 1178, 1240, 1330, 1478, 1736, 2170, 2356, 2660, 2945, 2956, 3695, 4123, 4340, 4712, 5173, 5320, 5890, 5912, 7390, 8246, 8680, 10346, 11780, 14041, 14780, 16492, 20615, 20692, 22909, 23560, 25865, 28082, 29560, 32984, 41230, 41384, 45818, 51730, 56164, 70205, 82460, 91636, 98287, 103460, 112328, 114545, 140410, 160363, 164920, 183272, 196574, 206920, 229090, 280820, 320726, 393148, 435271, 458180, 491435, 561640, 641452, 786296, 801815, 870542, 916360, 982870, 1282904, 1603630, 1741084, 1965740, 2176355, 3046897, 3207260, 3482168, 3931480, 4352710, 6093794, 6414520, 8705420, 12187588, 15234485, 17410840, 24375176, 30468970, 60937940, 121875880]

約数ペア:

[(1, 121875880), (2, 60937940), (4, 30468970), (5, 24375176), (7, 17410840), (8, 15234485), (10, 12187588), (14, 8705420), (19, 6414520), (20, 6093794), (28, 4352710), (31, 3931480), (35, 3482168), (38, 3207260), (40, 3046897), (56, 2176355), (62, 1965740), (70, 1741084), (76, 1603630), (95, 1282904), (124, 982870), (133, 916360), (140, 870542), (152, 801815), (155, 786296), (190, 641452), (217, 561640), (248, 491435), (266, 458180), (280, 435271), (310, 393148), (380, 320726), (434, 280820), (532, 229090), (589, 206920), (620, 196574), (665, 183272), (739, 164920), (760, 160363), (868, 140410), (1064, 114545), (1085, 112328), (1178, 103460), (1240, 98287), (1330, 91636), (1478, 82460), (1736, 70205), (2170, 56164), (2356, 51730), (2660, 45818), (2945, 41384), (2956, 41230), (3695, 32984), (4123, 29560), (4340, 28082), (4712, 25865), (5173, 23560), (5320, 22909), (5890, 20692), (5912, 20615), (7390, 16492), (8246, 14780), (8680, 14041), (10346, 11780)]