15857560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 37185120

約数和(自身を除く): 21327560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 97, 122, 134, 194, 244, 268, 305, 335, 388, 485, 488, 536, 610, 670, 776, 970, 1220, 1340, 1940, 2440, 2680, 3880, 4087, 5917, 6499, 8174, 11834, 12998, 16348, 20435, 23668, 25996, 29585, 32495, 32696, 40870, 47336, 51992, 59170, 64990, 81740, 118340, 129980, 163480, 236680, 259960, 396439, 792878, 1585756, 1982195, 3171512, 3964390, 7928780, 15857560]

約数ペア:

[(1, 15857560), (2, 7928780), (4, 3964390), (5, 3171512), (8, 1982195), (10, 1585756), (20, 792878), (40, 396439), (61, 259960), (67, 236680), (97, 163480), (122, 129980), (134, 118340), (194, 81740), (244, 64990), (268, 59170), (305, 51992), (335, 47336), (388, 40870), (485, 32696), (488, 32495), (536, 29585), (610, 25996), (670, 23668), (776, 20435), (970, 16348), (1220, 12998), (1340, 11834), (1940, 8174), (2440, 6499), (2680, 5917), (3880, 4087)]