129280920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 414720000

約数和(自身を除く): 285439080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 127, 136, 170, 204, 254, 255, 340, 381, 408, 499, 508, 510, 635, 680, 762, 998, 1016, 1020, 1270, 1497, 1524, 1905, 1996, 2040, 2159, 2495, 2540, 2994, 3048, 3810, 3992, 4318, 4990, 5080, 5988, 6477, 7485, 7620, 8483, 8636, 9980, 10795, 11976, 12954, 14970, 15240, 16966, 17272, 19960, 21590, 25449, 25908, 29940, 32385, 33932, 42415, 43180, 50898, 51816, 59880, 63373, 64770, 67864, 84830, 86360, 101796, 126746, 127245, 129540, 169660, 190119, 203592, 253492, 254490, 259080, 316865, 339320, 380238, 506984, 508980, 633730, 760476, 950595, 1017960, 1077341, 1267460, 1520952, 1901190, 2154682, 2534920, 3232023, 3802380, 4309364, 5386705, 6464046, 7604760, 8618728, 10773410, 12928092, 16160115, 21546820, 25856184, 32320230, 43093640, 64640460, 129280920]

約数ペア:

[(1, 129280920), (2, 64640460), (3, 43093640), (4, 32320230), (5, 25856184), (6, 21546820), (8, 16160115), (10, 12928092), (12, 10773410), (15, 8618728), (17, 7604760), (20, 6464046), (24, 5386705), (30, 4309364), (34, 3802380), (40, 3232023), (51, 2534920), (60, 2154682), (68, 1901190), (85, 1520952), (102, 1267460), (120, 1077341), (127, 1017960), (136, 950595), (170, 760476), (204, 633730), (254, 508980), (255, 506984), (340, 380238), (381, 339320), (408, 316865), (499, 259080), (508, 254490), (510, 253492), (635, 203592), (680, 190119), (762, 169660), (998, 129540), (1016, 127245), (1020, 126746), (1270, 101796), (1497, 86360), (1524, 84830), (1905, 67864), (1996, 64770), (2040, 63373), (2159, 59880), (2495, 51816), (2540, 50898), (2994, 43180), (3048, 42415), (3810, 33932), (3992, 32385), (4318, 29940), (4990, 25908), (5080, 25449), (5988, 21590), (6477, 19960), (7485, 17272), (7620, 16966), (8483, 15240), (8636, 14970), (9980, 12954), (10795, 11976)]