15168920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 37981440

約数和(自身を除く): 22812520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 941, 1240, 1612, 1882, 2015, 3224, 3764, 4030, 4705, 7528, 8060, 9410, 12233, 16120, 18820, 24466, 29171, 37640, 48932, 58342, 61165, 97864, 116684, 122330, 145855, 233368, 244660, 291710, 379223, 489320, 583420, 758446, 1166840, 1516892, 1896115, 3033784, 3792230, 7584460, 15168920]

約数ペア:

[(1, 15168920), (2, 7584460), (4, 3792230), (5, 3033784), (8, 1896115), (10, 1516892), (13, 1166840), (20, 758446), (26, 583420), (31, 489320), (40, 379223), (52, 291710), (62, 244660), (65, 233368), (104, 145855), (124, 122330), (130, 116684), (155, 97864), (248, 61165), (260, 58342), (310, 48932), (403, 37640), (520, 29171), (620, 24466), (806, 18820), (941, 16120), (1240, 12233), (1612, 9410), (1882, 8060), (2015, 7528), (3224, 4705), (3764, 4030)]