7545720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 27901440

約数和(自身を除く): 20355720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 691, 728, 780, 840, 910, 1092, 1365, 1382, 1560, 1820, 2073, 2184, 2730, 2764, 3455, 3640, 4146, 4837, 5460, 5528, 6910, 8292, 8983, 9674, 10365, 10920, 13820, 14511, 16584, 17966, 19348, 20730, 24185, 26949, 27640, 29022, 35932, 38696, 41460, 44915, 48370, 53898, 58044, 62881, 71864, 72555, 82920, 89830, 96740, 107796, 116088, 125762, 134745, 145110, 179660, 188643, 193480, 215592, 251524, 269490, 290220, 314405, 359320, 377286, 503048, 538980, 580440, 628810, 754572, 943215, 1077960, 1257620, 1509144, 1886430, 2515240, 3772860, 7545720]

約数ペア:

[(1, 7545720), (2, 3772860), (3, 2515240), (4, 1886430), (5, 1509144), (6, 1257620), (7, 1077960), (8, 943215), (10, 754572), (12, 628810), (13, 580440), (14, 538980), (15, 503048), (20, 377286), (21, 359320), (24, 314405), (26, 290220), (28, 269490), (30, 251524), (35, 215592), (39, 193480), (40, 188643), (42, 179660), (52, 145110), (56, 134745), (60, 125762), (65, 116088), (70, 107796), (78, 96740), (84, 89830), (91, 82920), (104, 72555), (105, 71864), (120, 62881), (130, 58044), (140, 53898), (156, 48370), (168, 44915), (182, 41460), (195, 38696), (210, 35932), (260, 29022), (273, 27640), (280, 26949), (312, 24185), (364, 20730), (390, 19348), (420, 17966), (455, 16584), (520, 14511), (546, 13820), (691, 10920), (728, 10365), (780, 9674), (840, 8983), (910, 8292), (1092, 6910), (1365, 5528), (1382, 5460), (1560, 4837), (1820, 4146), (2073, 3640), (2184, 3455), (2730, 2764)]