128010408

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 362880000

約数和(自身を除く): 234869592

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 29, 31, 34, 51, 58, 62, 68, 87, 93, 102, 116, 124, 136, 174, 186, 204, 232, 248, 348, 349, 372, 408, 493, 527, 696, 698, 744, 899, 986, 1047, 1054, 1396, 1479, 1581, 1798, 1972, 2094, 2108, 2697, 2792, 2958, 3162, 3596, 3944, 4188, 4216, 5394, 5916, 5933, 6324, 7192, 8376, 10121, 10788, 10819, 11832, 11866, 12648, 15283, 17799, 20242, 21576, 21638, 23732, 30363, 30566, 32457, 35598, 40484, 43276, 45849, 47464, 60726, 61132, 64914, 71196, 80968, 86552, 91698, 121452, 122264, 129828, 142392, 172057, 183396, 183923, 242904, 259656, 313751, 344114, 366792, 367846, 516171, 551769, 627502, 688228, 735692, 941253, 1032342, 1103538, 1255004, 1376456, 1471384, 1882506, 2064684, 2207076, 2510008, 3765012, 4129368, 4414152, 5333767, 7530024, 10667534, 16001301, 21335068, 32002602, 42670136, 64005204, 128010408]

約数ペア:

[(1, 128010408), (2, 64005204), (3, 42670136), (4, 32002602), (6, 21335068), (8, 16001301), (12, 10667534), (17, 7530024), (24, 5333767), (29, 4414152), (31, 4129368), (34, 3765012), (51, 2510008), (58, 2207076), (62, 2064684), (68, 1882506), (87, 1471384), (93, 1376456), (102, 1255004), (116, 1103538), (124, 1032342), (136, 941253), (174, 735692), (186, 688228), (204, 627502), (232, 551769), (248, 516171), (348, 367846), (349, 366792), (372, 344114), (408, 313751), (493, 259656), (527, 242904), (696, 183923), (698, 183396), (744, 172057), (899, 142392), (986, 129828), (1047, 122264), (1054, 121452), (1396, 91698), (1479, 86552), (1581, 80968), (1798, 71196), (1972, 64914), (2094, 61132), (2108, 60726), (2697, 47464), (2792, 45849), (2958, 43276), (3162, 40484), (3596, 35598), (3944, 32457), (4188, 30566), (4216, 30363), (5394, 23732), (5916, 21638), (5933, 21576), (6324, 20242), (7192, 17799), (8376, 15283), (10121, 12648), (10788, 11866), (10819, 11832)]