28156500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{6257}}^1$

素因数の和:6282

約数の個数: 72

約数和(自身を含む): 88838568

約数和(自身を除く): 60682068

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, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 6257, 12514, 18771, 25028, 31285, 37542, 56313, 62570, 75084, 93855, 112626, 125140, 156425, 187710, 225252, 281565, 312850, 375420, 469275, 563130, 625700, 782125, 938550, 1126260, 1407825, 1564250, 1877100, 2346375, 2815650, 3128500, 4692750, 5631300, 7039125, 9385500, 14078250, 28156500]

約数ペア:

[(1, 28156500), (2, 14078250), (3, 9385500), (4, 7039125), (5, 5631300), (6, 4692750), (9, 3128500), (10, 2815650), (12, 2346375), (15, 1877100), (18, 1564250), (20, 1407825), (25, 1126260), (30, 938550), (36, 782125), (45, 625700), (50, 563130), (60, 469275), (75, 375420), (90, 312850), (100, 281565), (125, 225252), (150, 187710), (180, 156425), (225, 125140), (250, 112626), (300, 93855), (375, 75084), (450, 62570), (500, 56313), (750, 37542), (900, 31285), (1125, 25028), (1500, 18771), (2250, 12514), (4500, 6257)]