15999870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 40043520

約数和(自身を除く): 24043650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 79, 86, 129, 157, 158, 215, 237, 258, 314, 395, 430, 471, 474, 645, 785, 790, 942, 1185, 1290, 1570, 2355, 2370, 3397, 4710, 6751, 6794, 10191, 12403, 13502, 16985, 20253, 20382, 24806, 33755, 33970, 37209, 40506, 50955, 62015, 67510, 74418, 101265, 101910, 124030, 186045, 202530, 372090, 533329, 1066658, 1599987, 2666645, 3199974, 5333290, 7999935, 15999870]

約数ペア:

[(1, 15999870), (2, 7999935), (3, 5333290), (5, 3199974), (6, 2666645), (10, 1599987), (15, 1066658), (30, 533329), (43, 372090), (79, 202530), (86, 186045), (129, 124030), (157, 101910), (158, 101265), (215, 74418), (237, 67510), (258, 62015), (314, 50955), (395, 40506), (430, 37209), (471, 33970), (474, 33755), (645, 24806), (785, 20382), (790, 20253), (942, 16985), (1185, 13502), (1290, 12403), (1570, 10191), (2355, 6794), (2370, 6751), (3397, 4710)]