80509140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49697}}^1$

素因数の和:49718

約数の個数: 60

約数和(自身を含む): 252565236

約数和(自身を除く): 172056096

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49697, 99394, 149091, 198788, 248485, 298182, 447273, 496970, 596364, 745455, 894546, 993940, 1341819, 1490910, 1789092, 2236365, 2683638, 2981820, 4025457, 4472730, 5367276, 6709095, 8050914, 8945460, 13418190, 16101828, 20127285, 26836380, 40254570, 80509140]

約数ペア:

[(1, 80509140), (2, 40254570), (3, 26836380), (4, 20127285), (5, 16101828), (6, 13418190), (9, 8945460), (10, 8050914), (12, 6709095), (15, 5367276), (18, 4472730), (20, 4025457), (27, 2981820), (30, 2683638), (36, 2236365), (45, 1789092), (54, 1490910), (60, 1341819), (81, 993940), (90, 894546), (108, 745455), (135, 596364), (162, 496970), (180, 447273), (270, 298182), (324, 248485), (405, 198788), (540, 149091), (810, 99394), (1620, 49697)]