1260390915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 2702868480

約数和(自身を除く): 1442477565

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 103, 105, 115, 135, 161, 189, 207, 309, 315, 345, 483, 515, 563, 621, 721, 805, 927, 945, 1035, 1449, 1545, 1689, 2163, 2369, 2415, 2781, 2815, 3105, 3605, 3941, 4347, 4635, 5067, 6489, 7107, 7245, 8445, 10815, 11823, 11845, 12949, 13905, 15201, 16583, 19467, 19705, 21321, 21735, 25335, 32445, 35469, 35535, 38847, 49749, 57989, 59115, 63963, 64745, 76005, 82915, 90643, 97335, 106407, 106605, 116541, 149247, 173967, 177345, 194235, 248745, 271929, 289945, 319815, 349623, 405923, 447741, 453215, 521901, 532035, 582705, 746235, 815787, 869835, 1217769, 1333747, 1359645, 1565703, 1748115, 2029615, 2238705, 2447361, 2609505, 3653307, 4001241, 4078935, 6088845, 6668735, 7828515, 9336229, 10959921, 12003723, 12236805, 18266535, 20006205, 28008687, 36011169, 46681145, 54799605, 60018615, 84026061, 140043435, 180055845, 252078183, 420130305, 1260390915]

約数ペア:

[(1, 1260390915), (3, 420130305), (5, 252078183), (7, 180055845), (9, 140043435), (15, 84026061), (21, 60018615), (23, 54799605), (27, 46681145), (35, 36011169), (45, 28008687), (63, 20006205), (69, 18266535), (103, 12236805), (105, 12003723), (115, 10959921), (135, 9336229), (161, 7828515), (189, 6668735), (207, 6088845), (309, 4078935), (315, 4001241), (345, 3653307), (483, 2609505), (515, 2447361), (563, 2238705), (621, 2029615), (721, 1748115), (805, 1565703), (927, 1359645), (945, 1333747), (1035, 1217769), (1449, 869835), (1545, 815787), (1689, 746235), (2163, 582705), (2369, 532035), (2415, 521901), (2781, 453215), (2815, 447741), (3105, 405923), (3605, 349623), (3941, 319815), (4347, 289945), (4635, 271929), (5067, 248745), (6489, 194235), (7107, 177345), (7245, 173967), (8445, 149247), (10815, 116541), (11823, 106605), (11845, 106407), (12949, 97335), (13905, 90643), (15201, 82915), (16583, 76005), (19467, 64745), (19705, 63963), (21321, 59115), (21735, 57989), (25335, 49749), (32445, 38847), (35469, 35535)]