12490520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 20687080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1439, 1736, 2170, 2878, 4340, 5756, 7195, 8680, 10073, 11512, 14390, 20146, 28780, 40292, 44609, 50365, 57560, 80584, 89218, 100730, 178436, 201460, 223045, 312263, 356872, 402920, 446090, 624526, 892180, 1249052, 1561315, 1784360, 2498104, 3122630, 6245260, 12490520]

約数ペア:

[(1, 12490520), (2, 6245260), (4, 3122630), (5, 2498104), (7, 1784360), (8, 1561315), (10, 1249052), (14, 892180), (20, 624526), (28, 446090), (31, 402920), (35, 356872), (40, 312263), (56, 223045), (62, 201460), (70, 178436), (124, 100730), (140, 89218), (155, 80584), (217, 57560), (248, 50365), (280, 44609), (310, 40292), (434, 28780), (620, 20146), (868, 14390), (1085, 11512), (1240, 10073), (1439, 8680), (1736, 7195), (2170, 5756), (2878, 4340)]