79687500

素因数分解:

$2^2\times 3^1\times 5^8\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 108

約数和(自身を含む): 246093624

約数和(自身を除く): 166406124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 125, 150, 170, 204, 250, 255, 300, 340, 375, 425, 500, 510, 625, 750, 850, 1020, 1250, 1275, 1500, 1700, 1875, 2125, 2500, 2550, 3125, 3750, 4250, 5100, 6250, 6375, 7500, 8500, 9375, 10625, 12500, 12750, 15625, 18750, 21250, 25500, 31250, 31875, 37500, 42500, 46875, 53125, 62500, 63750, 78125, 93750, 106250, 127500, 156250, 159375, 187500, 212500, 234375, 265625, 312500, 318750, 390625, 468750, 531250, 637500, 781250, 796875, 937500, 1062500, 1171875, 1328125, 1562500, 1593750, 2343750, 2656250, 3187500, 3984375, 4687500, 5312500, 6640625, 7968750, 13281250, 15937500, 19921875, 26562500, 39843750, 79687500]

約数ペア:

[(1, 79687500), (2, 39843750), (3, 26562500), (4, 19921875), (5, 15937500), (6, 13281250), (10, 7968750), (12, 6640625), (15, 5312500), (17, 4687500), (20, 3984375), (25, 3187500), (30, 2656250), (34, 2343750), (50, 1593750), (51, 1562500), (60, 1328125), (68, 1171875), (75, 1062500), (85, 937500), (100, 796875), (102, 781250), (125, 637500), (150, 531250), (170, 468750), (204, 390625), (250, 318750), (255, 312500), (300, 265625), (340, 234375), (375, 212500), (425, 187500), (500, 159375), (510, 156250), (625, 127500), (750, 106250), (850, 93750), (1020, 78125), (1250, 63750), (1275, 62500), (1500, 53125), (1700, 46875), (1875, 42500), (2125, 37500), (2500, 31875), (2550, 31250), (3125, 25500), (3750, 21250), (4250, 18750), (5100, 15625), (6250, 12750), (6375, 12500), (7500, 10625), (8500, 9375)]