1820303700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{47777}}^1$

素因数の和:47921

約数の個数: 72

約数和(自身を含む): 5308326912

約数和(自身を除く): 3488023212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3175, 3810, 6350, 7620, 9525, 12700, 19050, 38100, 47777, 95554, 143331, 191108, 238885, 286662, 477770, 573324, 716655, 955540, 1194425, 1433310, 2388850, 2866620, 3583275, 4777700, 6067679, 7166550, 12135358, 14333100, 18203037, 24270716, 30338395, 36406074, 60676790, 72812148, 91015185, 121353580, 151691975, 182030370, 303383950, 364060740, 455075925, 606767900, 910151850, 1820303700]

約数ペア:

[(1, 1820303700), (2, 910151850), (3, 606767900), (4, 455075925), (5, 364060740), (6, 303383950), (10, 182030370), (12, 151691975), (15, 121353580), (20, 91015185), (25, 72812148), (30, 60676790), (50, 36406074), (60, 30338395), (75, 24270716), (100, 18203037), (127, 14333100), (150, 12135358), (254, 7166550), (300, 6067679), (381, 4777700), (508, 3583275), (635, 2866620), (762, 2388850), (1270, 1433310), (1524, 1194425), (1905, 955540), (2540, 716655), (3175, 573324), (3810, 477770), (6350, 286662), (7620, 238885), (9525, 191108), (12700, 143331), (19050, 95554), (38100, 47777)]