68415000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{4561}}^1$

素因数の和:4590

約数の個数: 80

約数和(自身を含む): 213775320

約数和(自身を除く): 145360320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 4561, 5000, 7500, 9122, 13683, 15000, 18244, 22805, 27366, 36488, 45610, 54732, 68415, 91220, 109464, 114025, 136830, 182440, 228050, 273660, 342075, 456100, 547320, 570125, 684150, 912200, 1140250, 1368300, 1710375, 2280500, 2736600, 2850625, 3420750, 4561000, 5701250, 6841500, 8551875, 11402500, 13683000, 17103750, 22805000, 34207500, 68415000]

約数ペア:

[(1, 68415000), (2, 34207500), (3, 22805000), (4, 17103750), (5, 13683000), (6, 11402500), (8, 8551875), (10, 6841500), (12, 5701250), (15, 4561000), (20, 3420750), (24, 2850625), (25, 2736600), (30, 2280500), (40, 1710375), (50, 1368300), (60, 1140250), (75, 912200), (100, 684150), (120, 570125), (125, 547320), (150, 456100), (200, 342075), (250, 273660), (300, 228050), (375, 182440), (500, 136830), (600, 114025), (625, 109464), (750, 91220), (1000, 68415), (1250, 54732), (1500, 45610), (1875, 36488), (2500, 27366), (3000, 22805), (3750, 18244), (4561, 15000), (5000, 13683), (7500, 9122)]