80137500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{2137}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 233828784

約数和(自身を除く): 153691284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2137, 2500, 3125, 3750, 4274, 6250, 6411, 7500, 8548, 9375, 10685, 12500, 12822, 18750, 21370, 25644, 32055, 37500, 42740, 53425, 64110, 106850, 128220, 160275, 213700, 267125, 320550, 534250, 641100, 801375, 1068500, 1335625, 1602750, 2671250, 3205500, 4006875, 5342500, 6678125, 8013750, 13356250, 16027500, 20034375, 26712500, 40068750, 80137500]

約数ペア:

[(1, 80137500), (2, 40068750), (3, 26712500), (4, 20034375), (5, 16027500), (6, 13356250), (10, 8013750), (12, 6678125), (15, 5342500), (20, 4006875), (25, 3205500), (30, 2671250), (50, 1602750), (60, 1335625), (75, 1068500), (100, 801375), (125, 641100), (150, 534250), (250, 320550), (300, 267125), (375, 213700), (500, 160275), (625, 128220), (750, 106850), (1250, 64110), (1500, 53425), (1875, 42740), (2137, 37500), (2500, 32055), (3125, 25644), (3750, 21370), (4274, 18750), (6250, 12822), (6411, 12500), (7500, 10685), (8548, 9375)]