128207625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 280455552

約数和(自身を除く): 152247927

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 65, 75, 85, 91, 105, 119, 125, 169, 175, 195, 221, 255, 273, 289, 325, 357, 375, 425, 455, 507, 525, 595, 663, 845, 867, 875, 975, 1105, 1183, 1275, 1365, 1445, 1547, 1625, 1785, 2023, 2125, 2275, 2535, 2625, 2873, 2975, 3315, 3549, 3757, 4225, 4335, 4641, 4875, 5525, 5915, 6069, 6375, 6825, 7225, 7735, 8619, 8925, 10115, 11271, 11375, 12675, 14365, 14875, 16575, 17745, 18785, 20111, 21125, 21675, 23205, 26299, 27625, 29575, 30345, 34125, 36125, 38675, 43095, 44625, 48841, 50575, 56355, 60333, 63375, 71825, 78897, 82875, 88725, 93925, 100555, 108375, 116025, 131495, 146523, 147875, 151725, 193375, 215475, 244205, 252875, 281775, 301665, 341887, 359125, 394485, 443625, 469625, 502775, 580125, 657475, 732615, 758625, 1025661, 1077375, 1221025, 1408875, 1508325, 1709435, 1972425, 2513875, 3287375, 3663075, 5128305, 6105125, 7541625, 8547175, 9862125, 18315375, 25641525, 42735875, 128207625]

約数ペア:

[(1, 128207625), (3, 42735875), (5, 25641525), (7, 18315375), (13, 9862125), (15, 8547175), (17, 7541625), (21, 6105125), (25, 5128305), (35, 3663075), (39, 3287375), (51, 2513875), (65, 1972425), (75, 1709435), (85, 1508325), (91, 1408875), (105, 1221025), (119, 1077375), (125, 1025661), (169, 758625), (175, 732615), (195, 657475), (221, 580125), (255, 502775), (273, 469625), (289, 443625), (325, 394485), (357, 359125), (375, 341887), (425, 301665), (455, 281775), (507, 252875), (525, 244205), (595, 215475), (663, 193375), (845, 151725), (867, 147875), (875, 146523), (975, 131495), (1105, 116025), (1183, 108375), (1275, 100555), (1365, 93925), (1445, 88725), (1547, 82875), (1625, 78897), (1785, 71825), (2023, 63375), (2125, 60333), (2275, 56355), (2535, 50575), (2625, 48841), (2873, 44625), (2975, 43095), (3315, 38675), (3549, 36125), (3757, 34125), (4225, 30345), (4335, 29575), (4641, 27625), (4875, 26299), (5525, 23205), (5915, 21675), (6069, 21125), (6375, 20111), (6825, 18785), (7225, 17745), (7735, 16575), (8619, 14875), (8925, 14365), (10115, 12675), (11271, 11375)]