57131880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 188334720

約数和(自身を除く): 131202840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 691, 780, 795, 1060, 1272, 1378, 1382, 1560, 1590, 2067, 2073, 2120, 2756, 2764, 3180, 3445, 3455, 4134, 4146, 5512, 5528, 6360, 6890, 6910, 8268, 8292, 8983, 10335, 10365, 13780, 13820, 16536, 16584, 17966, 20670, 20730, 26949, 27560, 27640, 35932, 36623, 41340, 41460, 44915, 53898, 71864, 73246, 82680, 82920, 89830, 107796, 109869, 134745, 146492, 179660, 183115, 215592, 219738, 269490, 292984, 359320, 366230, 439476, 476099, 538980, 549345, 732460, 878952, 952198, 1077960, 1098690, 1428297, 1464920, 1904396, 2197380, 2380495, 2856594, 3808792, 4394760, 4760990, 5713188, 7141485, 9521980, 11426376, 14282970, 19043960, 28565940, 57131880]

約数ペア:

[(1, 57131880), (2, 28565940), (3, 19043960), (4, 14282970), (5, 11426376), (6, 9521980), (8, 7141485), (10, 5713188), (12, 4760990), (13, 4394760), (15, 3808792), (20, 2856594), (24, 2380495), (26, 2197380), (30, 1904396), (39, 1464920), (40, 1428297), (52, 1098690), (53, 1077960), (60, 952198), (65, 878952), (78, 732460), (104, 549345), (106, 538980), (120, 476099), (130, 439476), (156, 366230), (159, 359320), (195, 292984), (212, 269490), (260, 219738), (265, 215592), (312, 183115), (318, 179660), (390, 146492), (424, 134745), (520, 109869), (530, 107796), (636, 89830), (689, 82920), (691, 82680), (780, 73246), (795, 71864), (1060, 53898), (1272, 44915), (1378, 41460), (1382, 41340), (1560, 36623), (1590, 35932), (2067, 27640), (2073, 27560), (2120, 26949), (2756, 20730), (2764, 20670), (3180, 17966), (3445, 16584), (3455, 16536), (4134, 13820), (4146, 13780), (5512, 10365), (5528, 10335), (6360, 8983), (6890, 8292), (6910, 8268)]