64731960

素因数分解:

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

素因数の和:20002

約数の個数: 80

約数和(自身を含む): 217582200

約数和(自身を除く): 152850240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 19979, 39958, 59937, 79916, 99895, 119874, 159832, 179811, 199790, 239748, 299685, 359622, 399580, 479496, 539433, 599370, 719244, 799160, 899055, 1078866, 1198740, 1438488, 1618299, 1798110, 2157732, 2397480, 2697165, 3236598, 3596220, 4315464, 5394330, 6473196, 7192440, 8091495, 10788660, 12946392, 16182990, 21577320, 32365980, 64731960]

約数ペア:

[(1, 64731960), (2, 32365980), (3, 21577320), (4, 16182990), (5, 12946392), (6, 10788660), (8, 8091495), (9, 7192440), (10, 6473196), (12, 5394330), (15, 4315464), (18, 3596220), (20, 3236598), (24, 2697165), (27, 2397480), (30, 2157732), (36, 1798110), (40, 1618299), (45, 1438488), (54, 1198740), (60, 1078866), (72, 899055), (81, 799160), (90, 719244), (108, 599370), (120, 539433), (135, 479496), (162, 399580), (180, 359622), (216, 299685), (270, 239748), (324, 199790), (360, 179811), (405, 159832), (540, 119874), (648, 99895), (810, 79916), (1080, 59937), (1620, 39958), (3240, 19979)]