221257920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17729}}^1$

素因数の和:17762

約数の個数: 112

約数和(自身を含む): 756574560

約数和(自身を除く): 535316640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 17729, 35458, 53187, 70916, 88645, 106374, 141832, 177290, 212748, 230477, 265935, 283664, 354580, 425496, 460954, 531870, 567328, 691431, 709160, 850992, 921908, 1063740, 1134656, 1152385, 1382862, 1418320, 1701984, 1843816, 2127480, 2304770, 2765724, 2836640, 3403968, 3457155, 3687632, 4254960, 4609540, 5531448, 5673280, 6914310, 7375264, 8509920, 9219080, 11062896, 13828620, 14750528, 17019840, 18438160, 22125792, 27657240, 36876320, 44251584, 55314480, 73752640, 110628960, 221257920]

約数ペア:

[(1, 221257920), (2, 110628960), (3, 73752640), (4, 55314480), (5, 44251584), (6, 36876320), (8, 27657240), (10, 22125792), (12, 18438160), (13, 17019840), (15, 14750528), (16, 13828620), (20, 11062896), (24, 9219080), (26, 8509920), (30, 7375264), (32, 6914310), (39, 5673280), (40, 5531448), (48, 4609540), (52, 4254960), (60, 3687632), (64, 3457155), (65, 3403968), (78, 2836640), (80, 2765724), (96, 2304770), (104, 2127480), (120, 1843816), (130, 1701984), (156, 1418320), (160, 1382862), (192, 1152385), (195, 1134656), (208, 1063740), (240, 921908), (260, 850992), (312, 709160), (320, 691431), (390, 567328), (416, 531870), (480, 460954), (520, 425496), (624, 354580), (780, 283664), (832, 265935), (960, 230477), (1040, 212748), (1248, 177290), (1560, 141832), (2080, 106374), (2496, 88645), (3120, 70916), (4160, 53187), (6240, 35458), (12480, 17729)]