8728500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 28986048

約数和(自身を除く): 20257548

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 25, 30, 33, 44, 46, 50, 55, 60, 66, 69, 75, 92, 100, 110, 115, 125, 132, 138, 150, 165, 220, 230, 250, 253, 275, 276, 300, 330, 345, 375, 460, 500, 506, 529, 550, 575, 660, 690, 750, 759, 825, 1012, 1058, 1100, 1150, 1265, 1375, 1380, 1500, 1518, 1587, 1650, 1725, 2116, 2300, 2530, 2645, 2750, 2875, 3036, 3174, 3300, 3450, 3795, 4125, 5060, 5290, 5500, 5750, 5819, 6325, 6348, 6900, 7590, 7935, 8250, 8625, 10580, 11500, 11638, 12650, 13225, 15180, 15870, 16500, 17250, 17457, 18975, 23276, 25300, 26450, 29095, 31625, 31740, 34500, 34914, 37950, 39675, 52900, 58190, 63250, 66125, 69828, 75900, 79350, 87285, 94875, 116380, 126500, 132250, 145475, 158700, 174570, 189750, 198375, 264500, 290950, 349140, 379500, 396750, 436425, 581900, 727375, 793500, 872850, 1454750, 1745700, 2182125, 2909500, 4364250, 8728500]

約数ペア:

[(1, 8728500), (2, 4364250), (3, 2909500), (4, 2182125), (5, 1745700), (6, 1454750), (10, 872850), (11, 793500), (12, 727375), (15, 581900), (20, 436425), (22, 396750), (23, 379500), (25, 349140), (30, 290950), (33, 264500), (44, 198375), (46, 189750), (50, 174570), (55, 158700), (60, 145475), (66, 132250), (69, 126500), (75, 116380), (92, 94875), (100, 87285), (110, 79350), (115, 75900), (125, 69828), (132, 66125), (138, 63250), (150, 58190), (165, 52900), (220, 39675), (230, 37950), (250, 34914), (253, 34500), (275, 31740), (276, 31625), (300, 29095), (330, 26450), (345, 25300), (375, 23276), (460, 18975), (500, 17457), (506, 17250), (529, 16500), (550, 15870), (575, 15180), (660, 13225), (690, 12650), (750, 11638), (759, 11500), (825, 10580), (1012, 8625), (1058, 8250), (1100, 7935), (1150, 7590), (1265, 6900), (1375, 6348), (1380, 6325), (1500, 5819), (1518, 5750), (1587, 5500), (1650, 5290), (1725, 5060), (2116, 4125), (2300, 3795), (2530, 3450), (2645, 3300), (2750, 3174), (2875, 3036)]