15876180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 48513192

約数和(自身を除く): 32637012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 457, 579, 772, 914, 965, 1158, 1371, 1737, 1828, 1930, 2285, 2316, 2742, 2895, 3474, 3860, 4113, 4570, 5484, 5790, 6855, 6948, 8226, 8685, 9140, 11580, 13710, 16452, 17370, 20565, 27420, 34740, 41130, 82260, 88201, 176402, 264603, 352804, 441005, 529206, 793809, 882010, 1058412, 1323015, 1587618, 1764020, 2646030, 3175236, 3969045, 5292060, 7938090, 15876180]

約数ペア:

[(1, 15876180), (2, 7938090), (3, 5292060), (4, 3969045), (5, 3175236), (6, 2646030), (9, 1764020), (10, 1587618), (12, 1323015), (15, 1058412), (18, 882010), (20, 793809), (30, 529206), (36, 441005), (45, 352804), (60, 264603), (90, 176402), (180, 88201), (193, 82260), (386, 41130), (457, 34740), (579, 27420), (772, 20565), (914, 17370), (965, 16452), (1158, 13710), (1371, 11580), (1737, 9140), (1828, 8685), (1930, 8226), (2285, 6948), (2316, 6855), (2742, 5790), (2895, 5484), (3474, 4570), (3860, 4113)]