30920625

素因数分解:

$3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 60

約数和(自身を含む): 58481280

約数和(自身を除く): 27560655

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 239, 345, 375, 575, 625, 717, 1035, 1125, 1195, 1725, 1875, 2151, 2875, 3585, 5175, 5497, 5625, 5975, 8625, 10755, 14375, 16491, 17925, 25875, 27485, 29875, 43125, 49473, 53775, 82455, 89625, 129375, 137425, 149375, 247365, 268875, 412275, 448125, 687125, 1236825, 1344375, 2061375, 3435625, 6184125, 10306875, 30920625]

約数ペア:

[(1, 30920625), (3, 10306875), (5, 6184125), (9, 3435625), (15, 2061375), (23, 1344375), (25, 1236825), (45, 687125), (69, 448125), (75, 412275), (115, 268875), (125, 247365), (207, 149375), (225, 137425), (239, 129375), (345, 89625), (375, 82455), (575, 53775), (625, 49473), (717, 43125), (1035, 29875), (1125, 27485), (1195, 25875), (1725, 17925), (1875, 16491), (2151, 14375), (2875, 10755), (3585, 8625), (5175, 5975), (5497, 5625)]