12907020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 41932800

約数和(自身を除く): 29025780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 389, 395, 420, 474, 553, 778, 790, 948, 1106, 1167, 1185, 1556, 1580, 1659, 1945, 2212, 2334, 2370, 2723, 2765, 3318, 3890, 4668, 4740, 5446, 5530, 5835, 6636, 7780, 8169, 8295, 10892, 11060, 11670, 13615, 16338, 16590, 23340, 27230, 30731, 32676, 33180, 40845, 54460, 61462, 81690, 92193, 122924, 153655, 163380, 184386, 215117, 307310, 368772, 430234, 460965, 614620, 645351, 860468, 921930, 1075585, 1290702, 1843860, 2151170, 2581404, 3226755, 4302340, 6453510, 12907020]

約数ペア:

[(1, 12907020), (2, 6453510), (3, 4302340), (4, 3226755), (5, 2581404), (6, 2151170), (7, 1843860), (10, 1290702), (12, 1075585), (14, 921930), (15, 860468), (20, 645351), (21, 614620), (28, 460965), (30, 430234), (35, 368772), (42, 307310), (60, 215117), (70, 184386), (79, 163380), (84, 153655), (105, 122924), (140, 92193), (158, 81690), (210, 61462), (237, 54460), (316, 40845), (389, 33180), (395, 32676), (420, 30731), (474, 27230), (553, 23340), (778, 16590), (790, 16338), (948, 13615), (1106, 11670), (1167, 11060), (1185, 10892), (1556, 8295), (1580, 8169), (1659, 7780), (1945, 6636), (2212, 5835), (2334, 5530), (2370, 5446), (2723, 4740), (2765, 4668), (3318, 3890)]