12487500

素因数分解:

$2^2\times 3^3\times 5^5\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 144

約数和(自身を含む): 41559840

約数和(自身を除く): 29072340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 125, 135, 148, 150, 180, 185, 222, 225, 250, 270, 300, 333, 370, 375, 444, 450, 500, 540, 555, 625, 666, 675, 740, 750, 900, 925, 999, 1110, 1125, 1250, 1332, 1350, 1500, 1665, 1850, 1875, 1998, 2220, 2250, 2500, 2700, 2775, 3125, 3330, 3375, 3700, 3750, 3996, 4500, 4625, 4995, 5550, 5625, 6250, 6660, 6750, 7500, 8325, 9250, 9375, 9990, 11100, 11250, 12500, 13500, 13875, 16650, 16875, 18500, 18750, 19980, 22500, 23125, 24975, 27750, 28125, 33300, 33750, 37500, 41625, 46250, 49950, 55500, 56250, 67500, 69375, 83250, 84375, 92500, 99900, 112500, 115625, 124875, 138750, 166500, 168750, 208125, 231250, 249750, 277500, 337500, 346875, 416250, 462500, 499500, 624375, 693750, 832500, 1040625, 1248750, 1387500, 2081250, 2497500, 3121875, 4162500, 6243750, 12487500]

約数ペア:

[(1, 12487500), (2, 6243750), (3, 4162500), (4, 3121875), (5, 2497500), (6, 2081250), (9, 1387500), (10, 1248750), (12, 1040625), (15, 832500), (18, 693750), (20, 624375), (25, 499500), (27, 462500), (30, 416250), (36, 346875), (37, 337500), (45, 277500), (50, 249750), (54, 231250), (60, 208125), (74, 168750), (75, 166500), (90, 138750), (100, 124875), (108, 115625), (111, 112500), (125, 99900), (135, 92500), (148, 84375), (150, 83250), (180, 69375), (185, 67500), (222, 56250), (225, 55500), (250, 49950), (270, 46250), (300, 41625), (333, 37500), (370, 33750), (375, 33300), (444, 28125), (450, 27750), (500, 24975), (540, 23125), (555, 22500), (625, 19980), (666, 18750), (675, 18500), (740, 16875), (750, 16650), (900, 13875), (925, 13500), (999, 12500), (1110, 11250), (1125, 11100), (1250, 9990), (1332, 9375), (1350, 9250), (1500, 8325), (1665, 7500), (1850, 6750), (1875, 6660), (1998, 6250), (2220, 5625), (2250, 5550), (2500, 4995), (2700, 4625), (2775, 4500), (3125, 3996), (3330, 3750), (3375, 3700)]