127923640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 340200000

約数和(自身を除く): 212276360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 221, 232, 260, 290, 340, 377, 442, 493, 499, 520, 580, 680, 754, 884, 986, 998, 1105, 1160, 1508, 1768, 1885, 1972, 1996, 2210, 2465, 2495, 3016, 3770, 3944, 3992, 4420, 4930, 4990, 6409, 6487, 7540, 8483, 8840, 9860, 9980, 12818, 12974, 14471, 15080, 16966, 19720, 19960, 25636, 25948, 28942, 32045, 32435, 33932, 42415, 51272, 51896, 57884, 64090, 64870, 67864, 72355, 84830, 110279, 115768, 128180, 129740, 144710, 169660, 188123, 220558, 246007, 256360, 259480, 289420, 339320, 376246, 441116, 492014, 551395, 578840, 752492, 882232, 940615, 984028, 1102790, 1230035, 1504984, 1881230, 1968056, 2205580, 2460070, 3198091, 3762460, 4411160, 4920140, 6396182, 7524920, 9840280, 12792364, 15990455, 25584728, 31980910, 63961820, 127923640]

約数ペア:

[(1, 127923640), (2, 63961820), (4, 31980910), (5, 25584728), (8, 15990455), (10, 12792364), (13, 9840280), (17, 7524920), (20, 6396182), (26, 4920140), (29, 4411160), (34, 3762460), (40, 3198091), (52, 2460070), (58, 2205580), (65, 1968056), (68, 1881230), (85, 1504984), (104, 1230035), (116, 1102790), (130, 984028), (136, 940615), (145, 882232), (170, 752492), (221, 578840), (232, 551395), (260, 492014), (290, 441116), (340, 376246), (377, 339320), (442, 289420), (493, 259480), (499, 256360), (520, 246007), (580, 220558), (680, 188123), (754, 169660), (884, 144710), (986, 129740), (998, 128180), (1105, 115768), (1160, 110279), (1508, 84830), (1768, 72355), (1885, 67864), (1972, 64870), (1996, 64090), (2210, 57884), (2465, 51896), (2495, 51272), (3016, 42415), (3770, 33932), (3944, 32435), (3992, 32045), (4420, 28942), (4930, 25948), (4990, 25636), (6409, 19960), (6487, 19720), (7540, 16966), (8483, 15080), (8840, 14471), (9860, 12974), (9980, 12818)]