1648140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2113}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 4972128

約数和(自身を除く): 3323988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2113, 4226, 6339, 8452, 10565, 12678, 21130, 25356, 27469, 31695, 42260, 54938, 63390, 82407, 109876, 126780, 137345, 164814, 274690, 329628, 412035, 549380, 824070, 1648140]

約数ペア:

[(1, 1648140), (2, 824070), (3, 549380), (4, 412035), (5, 329628), (6, 274690), (10, 164814), (12, 137345), (13, 126780), (15, 109876), (20, 82407), (26, 63390), (30, 54938), (39, 42260), (52, 31695), (60, 27469), (65, 25356), (78, 21130), (130, 12678), (156, 10565), (195, 8452), (260, 6339), (390, 4226), (780, 2113)]