129656250

素因数分解:

$2^1\times 3^2\times 5^6\times {\mathrm{461}}^1$

素因数の和:499

約数の個数: 84

約数和(自身を含む): 351909558

約数和(自身を除く): 222253308

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 461, 625, 750, 922, 1125, 1250, 1383, 1875, 2250, 2305, 2766, 3125, 3750, 4149, 4610, 5625, 6250, 6915, 8298, 9375, 11250, 11525, 13830, 15625, 18750, 20745, 23050, 28125, 31250, 34575, 41490, 46875, 56250, 57625, 69150, 93750, 103725, 115250, 140625, 172875, 207450, 281250, 288125, 345750, 518625, 576250, 864375, 1037250, 1440625, 1728750, 2593125, 2881250, 4321875, 5186250, 7203125, 8643750, 12965625, 14406250, 21609375, 25931250, 43218750, 64828125, 129656250]

約数ペア:

[(1, 129656250), (2, 64828125), (3, 43218750), (5, 25931250), (6, 21609375), (9, 14406250), (10, 12965625), (15, 8643750), (18, 7203125), (25, 5186250), (30, 4321875), (45, 2881250), (50, 2593125), (75, 1728750), (90, 1440625), (125, 1037250), (150, 864375), (225, 576250), (250, 518625), (375, 345750), (450, 288125), (461, 281250), (625, 207450), (750, 172875), (922, 140625), (1125, 115250), (1250, 103725), (1383, 93750), (1875, 69150), (2250, 57625), (2305, 56250), (2766, 46875), (3125, 41490), (3750, 34575), (4149, 31250), (4610, 28125), (5625, 23050), (6250, 20745), (6915, 18750), (8298, 15625), (9375, 13830), (11250, 11525)]