20137500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{179}}^1$

素因数の和:214

約数の個数: 108

約数和(自身を含む): 63980280

約数和(自身を除く): 43842780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 179, 180, 225, 250, 300, 358, 375, 450, 500, 537, 625, 716, 750, 895, 900, 1074, 1125, 1250, 1500, 1611, 1790, 1875, 2148, 2250, 2500, 2685, 3125, 3222, 3580, 3750, 4475, 4500, 5370, 5625, 6250, 6444, 7500, 8055, 8950, 9375, 10740, 11250, 12500, 13425, 16110, 17900, 18750, 22375, 22500, 26850, 28125, 32220, 37500, 40275, 44750, 53700, 56250, 67125, 80550, 89500, 111875, 112500, 134250, 161100, 201375, 223750, 268500, 335625, 402750, 447500, 559375, 671250, 805500, 1006875, 1118750, 1342500, 1678125, 2013750, 2237500, 3356250, 4027500, 5034375, 6712500, 10068750, 20137500]

約数ペア:

[(1, 20137500), (2, 10068750), (3, 6712500), (4, 5034375), (5, 4027500), (6, 3356250), (9, 2237500), (10, 2013750), (12, 1678125), (15, 1342500), (18, 1118750), (20, 1006875), (25, 805500), (30, 671250), (36, 559375), (45, 447500), (50, 402750), (60, 335625), (75, 268500), (90, 223750), (100, 201375), (125, 161100), (150, 134250), (179, 112500), (180, 111875), (225, 89500), (250, 80550), (300, 67125), (358, 56250), (375, 53700), (450, 44750), (500, 40275), (537, 37500), (625, 32220), (716, 28125), (750, 26850), (895, 22500), (900, 22375), (1074, 18750), (1125, 17900), (1250, 16110), (1500, 13425), (1611, 12500), (1790, 11250), (1875, 10740), (2148, 9375), (2250, 8950), (2500, 8055), (2685, 7500), (3125, 6444), (3222, 6250), (3580, 5625), (3750, 5370), (4475, 4500)]