161829900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{19979}}^1$

素因数の和:20005

約数の個数: 90

約数和(自身を含む): 524614860

約数和(自身を除く): 362784960

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, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 19979, 39958, 59937, 79916, 99895, 119874, 179811, 199790, 239748, 299685, 359622, 399580, 499475, 539433, 599370, 719244, 899055, 998950, 1078866, 1198740, 1498425, 1618299, 1798110, 1997900, 2157732, 2697165, 2996850, 3236598, 3596220, 4495275, 5394330, 5993700, 6473196, 8091495, 8990550, 10788660, 13485825, 16182990, 17981100, 26971650, 32365980, 40457475, 53943300, 80914950, 161829900]

約数ペア:

[(1, 161829900), (2, 80914950), (3, 53943300), (4, 40457475), (5, 32365980), (6, 26971650), (9, 17981100), (10, 16182990), (12, 13485825), (15, 10788660), (18, 8990550), (20, 8091495), (25, 6473196), (27, 5993700), (30, 5394330), (36, 4495275), (45, 3596220), (50, 3236598), (54, 2996850), (60, 2697165), (75, 2157732), (81, 1997900), (90, 1798110), (100, 1618299), (108, 1498425), (135, 1198740), (150, 1078866), (162, 998950), (180, 899055), (225, 719244), (270, 599370), (300, 539433), (324, 499475), (405, 399580), (450, 359622), (540, 299685), (675, 239748), (810, 199790), (900, 179811), (1350, 119874), (1620, 99895), (2025, 79916), (2700, 59937), (4050, 39958), (8100, 19979)]