75187500

素因数分解:

$2^2\times 3^1\times 5^6\times {\mathrm{401}}^1$

素因数の和:438

約数の個数: 84

約数和(自身を含む): 219840936

約数和(自身を除く): 144653436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 401, 500, 625, 750, 802, 1203, 1250, 1500, 1604, 1875, 2005, 2406, 2500, 3125, 3750, 4010, 4812, 6015, 6250, 7500, 8020, 9375, 10025, 12030, 12500, 15625, 18750, 20050, 24060, 30075, 31250, 37500, 40100, 46875, 50125, 60150, 62500, 93750, 100250, 120300, 150375, 187500, 200500, 250625, 300750, 501250, 601500, 751875, 1002500, 1253125, 1503750, 2506250, 3007500, 3759375, 5012500, 6265625, 7518750, 12531250, 15037500, 18796875, 25062500, 37593750, 75187500]

約数ペア:

[(1, 75187500), (2, 37593750), (3, 25062500), (4, 18796875), (5, 15037500), (6, 12531250), (10, 7518750), (12, 6265625), (15, 5012500), (20, 3759375), (25, 3007500), (30, 2506250), (50, 1503750), (60, 1253125), (75, 1002500), (100, 751875), (125, 601500), (150, 501250), (250, 300750), (300, 250625), (375, 200500), (401, 187500), (500, 150375), (625, 120300), (750, 100250), (802, 93750), (1203, 62500), (1250, 60150), (1500, 50125), (1604, 46875), (1875, 40100), (2005, 37500), (2406, 31250), (2500, 30075), (3125, 24060), (3750, 20050), (4010, 18750), (4812, 15625), (6015, 12500), (6250, 12030), (7500, 10025), (8020, 9375)]