128948832

素因数分解:

$2^5\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1151}}^1$

素因数の和:1556

約数の個数: 72

約数和(自身を含む): 367960320

約数和(自身を除く): 239011488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 389, 778, 1151, 1167, 1556, 2302, 2334, 3112, 3453, 3501, 4604, 4668, 6224, 6906, 7002, 9208, 9336, 10359, 12448, 13812, 14004, 18416, 18672, 20718, 27624, 28008, 36832, 37344, 41436, 55248, 56016, 82872, 110496, 112032, 165744, 331488, 447739, 895478, 1343217, 1790956, 2686434, 3581912, 4029651, 5372868, 7163824, 8059302, 10745736, 14327648, 16118604, 21491472, 32237208, 42982944, 64474416, 128948832]

約数ペア:

[(1, 128948832), (2, 64474416), (3, 42982944), (4, 32237208), (6, 21491472), (8, 16118604), (9, 14327648), (12, 10745736), (16, 8059302), (18, 7163824), (24, 5372868), (32, 4029651), (36, 3581912), (48, 2686434), (72, 1790956), (96, 1343217), (144, 895478), (288, 447739), (389, 331488), (778, 165744), (1151, 112032), (1167, 110496), (1556, 82872), (2302, 56016), (2334, 55248), (3112, 41436), (3453, 37344), (3501, 36832), (4604, 28008), (4668, 27624), (6224, 20718), (6906, 18672), (7002, 18416), (9208, 14004), (9336, 13812), (10359, 12448)]