128150420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 302914080

約数和(自身を除く): 174763660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 41, 58, 68, 82, 85, 116, 145, 164, 170, 205, 290, 317, 340, 410, 493, 580, 634, 697, 820, 986, 1189, 1268, 1394, 1585, 1972, 2378, 2465, 2788, 3170, 3485, 4756, 4930, 5389, 5945, 6340, 6970, 9193, 9860, 10778, 11890, 12997, 13940, 18386, 20213, 21556, 23780, 25994, 26945, 36772, 40426, 45965, 51988, 53890, 64985, 80852, 91930, 101065, 107780, 129970, 156281, 183860, 202130, 220949, 259940, 312562, 376913, 404260, 441898, 625124, 753826, 781405, 883796, 1104745, 1507652, 1562810, 1884565, 2209490, 3125620, 3769130, 4418980, 6407521, 7538260, 12815042, 25630084, 32037605, 64075210, 128150420]

約数ペア:

[(1, 128150420), (2, 64075210), (4, 32037605), (5, 25630084), (10, 12815042), (17, 7538260), (20, 6407521), (29, 4418980), (34, 3769130), (41, 3125620), (58, 2209490), (68, 1884565), (82, 1562810), (85, 1507652), (116, 1104745), (145, 883796), (164, 781405), (170, 753826), (205, 625124), (290, 441898), (317, 404260), (340, 376913), (410, 312562), (493, 259940), (580, 220949), (634, 202130), (697, 183860), (820, 156281), (986, 129970), (1189, 107780), (1268, 101065), (1394, 91930), (1585, 80852), (1972, 64985), (2378, 53890), (2465, 51988), (2788, 45965), (3170, 40426), (3485, 36772), (4756, 26945), (4930, 25994), (5389, 23780), (5945, 21556), (6340, 20213), (6970, 18386), (9193, 13940), (9860, 12997), (10778, 11890)]