61135740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20011

約数の個数: 72

約数和(自身を含む): 196363440

約数和(自身を除く): 135227700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 19979, 39958, 59937, 79916, 99895, 119874, 179811, 199790, 239748, 299685, 339643, 359622, 399580, 599370, 679286, 719244, 899055, 1018929, 1198740, 1358572, 1698215, 1798110, 2037858, 3056787, 3396430, 3596220, 4075716, 5094645, 6113574, 6792860, 10189290, 12227148, 15283935, 20378580, 30567870, 61135740]

約数ペア:

[(1, 61135740), (2, 30567870), (3, 20378580), (4, 15283935), (5, 12227148), (6, 10189290), (9, 6792860), (10, 6113574), (12, 5094645), (15, 4075716), (17, 3596220), (18, 3396430), (20, 3056787), (30, 2037858), (34, 1798110), (36, 1698215), (45, 1358572), (51, 1198740), (60, 1018929), (68, 899055), (85, 719244), (90, 679286), (102, 599370), (153, 399580), (170, 359622), (180, 339643), (204, 299685), (255, 239748), (306, 199790), (340, 179811), (510, 119874), (612, 99895), (765, 79916), (1020, 59937), (1530, 39958), (3060, 19979)]