28158750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{2503}}^1$

素因数の和:2531

約数の個数: 60

約数和(自身を含む): 76269336

約数和(自身を除く): 48110586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 625, 750, 1125, 1250, 1875, 2250, 2503, 3750, 5006, 5625, 7509, 11250, 12515, 15018, 22527, 25030, 37545, 45054, 62575, 75090, 112635, 125150, 187725, 225270, 312875, 375450, 563175, 625750, 938625, 1126350, 1564375, 1877250, 2815875, 3128750, 4693125, 5631750, 9386250, 14079375, 28158750]

約数ペア:

[(1, 28158750), (2, 14079375), (3, 9386250), (5, 5631750), (6, 4693125), (9, 3128750), (10, 2815875), (15, 1877250), (18, 1564375), (25, 1126350), (30, 938625), (45, 625750), (50, 563175), (75, 375450), (90, 312875), (125, 225270), (150, 187725), (225, 125150), (250, 112635), (375, 75090), (450, 62575), (625, 45054), (750, 37545), (1125, 25030), (1250, 22527), (1875, 15018), (2250, 12515), (2503, 11250), (3750, 7509), (5006, 5625)]