201975720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:627

約数の個数: 128

約数和(自身を含む): 633139200

約数和(自身を除く): 431163480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 127, 145, 174, 232, 254, 290, 348, 381, 435, 457, 508, 580, 635, 696, 762, 870, 914, 1016, 1160, 1270, 1371, 1524, 1740, 1828, 1905, 2285, 2540, 2742, 3048, 3480, 3656, 3683, 3810, 4570, 5080, 5484, 6855, 7366, 7620, 9140, 10968, 11049, 13253, 13710, 14732, 15240, 18280, 18415, 22098, 26506, 27420, 29464, 36830, 39759, 44196, 53012, 54840, 55245, 58039, 66265, 73660, 79518, 88392, 106024, 110490, 116078, 132530, 147320, 159036, 174117, 198795, 220980, 232156, 265060, 290195, 318072, 348234, 397590, 441960, 464312, 530120, 580390, 696468, 795180, 870585, 1160780, 1392936, 1590360, 1683131, 1741170, 2321560, 3366262, 3482340, 5049393, 6732524, 6964680, 8415655, 10098786, 13465048, 16831310, 20197572, 25246965, 33662620, 40395144, 50493930, 67325240, 100987860, 201975720]

約数ペア:

[(1, 201975720), (2, 100987860), (3, 67325240), (4, 50493930), (5, 40395144), (6, 33662620), (8, 25246965), (10, 20197572), (12, 16831310), (15, 13465048), (20, 10098786), (24, 8415655), (29, 6964680), (30, 6732524), (40, 5049393), (58, 3482340), (60, 3366262), (87, 2321560), (116, 1741170), (120, 1683131), (127, 1590360), (145, 1392936), (174, 1160780), (232, 870585), (254, 795180), (290, 696468), (348, 580390), (381, 530120), (435, 464312), (457, 441960), (508, 397590), (580, 348234), (635, 318072), (696, 290195), (762, 265060), (870, 232156), (914, 220980), (1016, 198795), (1160, 174117), (1270, 159036), (1371, 147320), (1524, 132530), (1740, 116078), (1828, 110490), (1905, 106024), (2285, 88392), (2540, 79518), (2742, 73660), (3048, 66265), (3480, 58039), (3656, 55245), (3683, 54840), (3810, 53012), (4570, 44196), (5080, 39759), (5484, 36830), (6855, 29464), (7366, 27420), (7620, 26506), (9140, 22098), (10968, 18415), (11049, 18280), (13253, 15240), (13710, 14732)]