64734800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 171134880

約数和(自身を除く): 106400080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 59, 65, 80, 100, 104, 118, 130, 200, 208, 211, 236, 260, 295, 325, 400, 422, 472, 520, 590, 650, 767, 844, 944, 1040, 1055, 1180, 1300, 1475, 1534, 1688, 2110, 2360, 2600, 2743, 2950, 3068, 3376, 3835, 4220, 4720, 5200, 5275, 5486, 5900, 6136, 7670, 8440, 10550, 10972, 11800, 12272, 12449, 13715, 15340, 16880, 19175, 21100, 21944, 23600, 24898, 27430, 30680, 38350, 42200, 43888, 49796, 54860, 61360, 62245, 68575, 76700, 84400, 99592, 109720, 124490, 137150, 153400, 161837, 199184, 219440, 248980, 274300, 306800, 311225, 323674, 497960, 548600, 622450, 647348, 809185, 995920, 1097200, 1244900, 1294696, 1618370, 2489800, 2589392, 3236740, 4045925, 4979600, 6473480, 8091850, 12946960, 16183700, 32367400, 64734800]

約数ペア:

[(1, 64734800), (2, 32367400), (4, 16183700), (5, 12946960), (8, 8091850), (10, 6473480), (13, 4979600), (16, 4045925), (20, 3236740), (25, 2589392), (26, 2489800), (40, 1618370), (50, 1294696), (52, 1244900), (59, 1097200), (65, 995920), (80, 809185), (100, 647348), (104, 622450), (118, 548600), (130, 497960), (200, 323674), (208, 311225), (211, 306800), (236, 274300), (260, 248980), (295, 219440), (325, 199184), (400, 161837), (422, 153400), (472, 137150), (520, 124490), (590, 109720), (650, 99592), (767, 84400), (844, 76700), (944, 68575), (1040, 62245), (1055, 61360), (1180, 54860), (1300, 49796), (1475, 43888), (1534, 42200), (1688, 38350), (2110, 30680), (2360, 27430), (2600, 24898), (2743, 23600), (2950, 21944), (3068, 21100), (3376, 19175), (3835, 16880), (4220, 15340), (4720, 13715), (5200, 12449), (5275, 12272), (5486, 11800), (5900, 10972), (6136, 10550), (7670, 8440)]