12237560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 16792840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 139, 142, 155, 248, 278, 284, 310, 355, 556, 568, 620, 695, 710, 1112, 1240, 1390, 1420, 2201, 2780, 2840, 4309, 4402, 5560, 8618, 8804, 9869, 11005, 17236, 17608, 19738, 21545, 22010, 34472, 39476, 43090, 44020, 49345, 78952, 86180, 88040, 98690, 172360, 197380, 305939, 394760, 611878, 1223756, 1529695, 2447512, 3059390, 6118780, 12237560]

約数ペア:

[(1, 12237560), (2, 6118780), (4, 3059390), (5, 2447512), (8, 1529695), (10, 1223756), (20, 611878), (31, 394760), (40, 305939), (62, 197380), (71, 172360), (124, 98690), (139, 88040), (142, 86180), (155, 78952), (248, 49345), (278, 44020), (284, 43090), (310, 39476), (355, 34472), (556, 22010), (568, 21545), (620, 19738), (695, 17608), (710, 17236), (1112, 11005), (1240, 9869), (1390, 8804), (1420, 8618), (2201, 5560), (2780, 4402), (2840, 4309)]