12345620728

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{682531}}^1$

素因数の和:682580

約数の個数: 64

約数和(自身を含む): 29485382400

約数和(自身を除く): 17139761672

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 2261, 2584, 4522, 9044, 18088, 682531, 1365062, 2730124, 4777717, 5460248, 9555434, 11603027, 12968089, 19110868, 23206054, 25936178, 38221736, 46412108, 51872356, 81221189, 90776623, 92824216, 103744712, 162442378, 181553246, 220457513, 324884756, 363106492, 440915026, 649769512, 726212984, 881830052, 1543202591, 1763660104, 3086405182, 6172810364, 12345620728]

約数ペア:

[(1, 12345620728), (2, 6172810364), (4, 3086405182), (7, 1763660104), (8, 1543202591), (14, 881830052), (17, 726212984), (19, 649769512), (28, 440915026), (34, 363106492), (38, 324884756), (56, 220457513), (68, 181553246), (76, 162442378), (119, 103744712), (133, 92824216), (136, 90776623), (152, 81221189), (238, 51872356), (266, 46412108), (323, 38221736), (476, 25936178), (532, 23206054), (646, 19110868), (952, 12968089), (1064, 11603027), (1292, 9555434), (2261, 5460248), (2584, 4777717), (4522, 2730124), (9044, 1365062), (18088, 682531)]