15154840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6211}}^1$

素因数の和:6283

約数の個数: 32

約数和(自身を含む): 34662960

約数和(自身を除く): 19508120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6211, 12422, 24844, 31055, 49688, 62110, 124220, 248440, 378871, 757742, 1515484, 1894355, 3030968, 3788710, 7577420, 15154840]

約数ペア:

[(1, 15154840), (2, 7577420), (4, 3788710), (5, 3030968), (8, 1894355), (10, 1515484), (20, 757742), (40, 378871), (61, 248440), (122, 124220), (244, 62110), (305, 49688), (488, 31055), (610, 24844), (1220, 12422), (2440, 6211)]