78937500

素因数分解:

$2^2\times 3^1\times 5^6\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 84

約数和(自身を含む): 230778296

約数和(自身を除く): 151840796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 421, 500, 625, 750, 842, 1250, 1263, 1500, 1684, 1875, 2105, 2500, 2526, 3125, 3750, 4210, 5052, 6250, 6315, 7500, 8420, 9375, 10525, 12500, 12630, 15625, 18750, 21050, 25260, 31250, 31575, 37500, 42100, 46875, 52625, 62500, 63150, 93750, 105250, 126300, 157875, 187500, 210500, 263125, 315750, 526250, 631500, 789375, 1052500, 1315625, 1578750, 2631250, 3157500, 3946875, 5262500, 6578125, 7893750, 13156250, 15787500, 19734375, 26312500, 39468750, 78937500]

約数ペア:

[(1, 78937500), (2, 39468750), (3, 26312500), (4, 19734375), (5, 15787500), (6, 13156250), (10, 7893750), (12, 6578125), (15, 5262500), (20, 3946875), (25, 3157500), (30, 2631250), (50, 1578750), (60, 1315625), (75, 1052500), (100, 789375), (125, 631500), (150, 526250), (250, 315750), (300, 263125), (375, 210500), (421, 187500), (500, 157875), (625, 126300), (750, 105250), (842, 93750), (1250, 63150), (1263, 62500), (1500, 52625), (1684, 46875), (1875, 42100), (2105, 37500), (2500, 31575), (2526, 31250), (3125, 25260), (3750, 21050), (4210, 18750), (5052, 15625), (6250, 12630), (6315, 12500), (7500, 10525), (8420, 9375)]