15381660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 96

約数和(自身を含む): 50222592

約数和(自身を除く): 34840932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 691, 742, 795, 1060, 1113, 1382, 1484, 1590, 1855, 2073, 2226, 2764, 3180, 3455, 3710, 4146, 4452, 4837, 5565, 6910, 7420, 8292, 9674, 10365, 11130, 13820, 14511, 19348, 20730, 22260, 24185, 29022, 36623, 41460, 48370, 58044, 72555, 73246, 96740, 109869, 145110, 146492, 183115, 219738, 256361, 290220, 366230, 439476, 512722, 549345, 732460, 769083, 1025444, 1098690, 1281805, 1538166, 2197380, 2563610, 3076332, 3845415, 5127220, 7690830, 15381660]

約数ペア:

[(1, 15381660), (2, 7690830), (3, 5127220), (4, 3845415), (5, 3076332), (6, 2563610), (7, 2197380), (10, 1538166), (12, 1281805), (14, 1098690), (15, 1025444), (20, 769083), (21, 732460), (28, 549345), (30, 512722), (35, 439476), (42, 366230), (53, 290220), (60, 256361), (70, 219738), (84, 183115), (105, 146492), (106, 145110), (140, 109869), (159, 96740), (210, 73246), (212, 72555), (265, 58044), (318, 48370), (371, 41460), (420, 36623), (530, 29022), (636, 24185), (691, 22260), (742, 20730), (795, 19348), (1060, 14511), (1113, 13820), (1382, 11130), (1484, 10365), (1590, 9674), (1855, 8292), (2073, 7420), (2226, 6910), (2764, 5565), (3180, 4837), (3455, 4452), (3710, 4146)]