15187500

素因数分解:

$2^2\times 3^5\times 5^6$

素因数の和:49

約数の個数: 126

約数和(自身を含む): 49764988

約数和(自身を除く): 34577488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 243, 250, 270, 300, 324, 375, 405, 450, 486, 500, 540, 625, 675, 750, 810, 900, 972, 1125, 1215, 1250, 1350, 1500, 1620, 1875, 2025, 2250, 2430, 2500, 2700, 3125, 3375, 3750, 4050, 4500, 4860, 5625, 6075, 6250, 6750, 7500, 8100, 9375, 10125, 11250, 12150, 12500, 13500, 15625, 16875, 18750, 20250, 22500, 24300, 28125, 30375, 31250, 33750, 37500, 40500, 46875, 50625, 56250, 60750, 62500, 67500, 84375, 93750, 101250, 112500, 121500, 140625, 151875, 168750, 187500, 202500, 253125, 281250, 303750, 337500, 421875, 506250, 562500, 607500, 759375, 843750, 1012500, 1265625, 1518750, 1687500, 2531250, 3037500, 3796875, 5062500, 7593750, 15187500]

約数ペア:

[(1, 15187500), (2, 7593750), (3, 5062500), (4, 3796875), (5, 3037500), (6, 2531250), (9, 1687500), (10, 1518750), (12, 1265625), (15, 1012500), (18, 843750), (20, 759375), (25, 607500), (27, 562500), (30, 506250), (36, 421875), (45, 337500), (50, 303750), (54, 281250), (60, 253125), (75, 202500), (81, 187500), (90, 168750), (100, 151875), (108, 140625), (125, 121500), (135, 112500), (150, 101250), (162, 93750), (180, 84375), (225, 67500), (243, 62500), (250, 60750), (270, 56250), (300, 50625), (324, 46875), (375, 40500), (405, 37500), (450, 33750), (486, 31250), (500, 30375), (540, 28125), (625, 24300), (675, 22500), (750, 20250), (810, 18750), (900, 16875), (972, 15625), (1125, 13500), (1215, 12500), (1250, 12150), (1350, 11250), (1500, 10125), (1620, 9375), (1875, 8100), (2025, 7500), (2250, 6750), (2430, 6250), (2500, 6075), (2700, 5625), (3125, 4860), (3375, 4500), (3750, 4050)]