660816

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 1997268

約数和(自身を除く): 1336452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 353, 468, 624, 706, 936, 1059, 1412, 1872, 2118, 2824, 3177, 4236, 4589, 5648, 6354, 8472, 9178, 12708, 13767, 16944, 18356, 25416, 27534, 36712, 41301, 50832, 55068, 73424, 82602, 110136, 165204, 220272, 330408, 660816]

約数ペア:

[(1, 660816), (2, 330408), (3, 220272), (4, 165204), (6, 110136), (8, 82602), (9, 73424), (12, 55068), (13, 50832), (16, 41301), (18, 36712), (24, 27534), (26, 25416), (36, 18356), (39, 16944), (48, 13767), (52, 12708), (72, 9178), (78, 8472), (104, 6354), (117, 5648), (144, 4589), (156, 4236), (208, 3177), (234, 2824), (312, 2118), (353, 1872), (468, 1412), (624, 1059), (706, 936)]