65980620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9907}}^1$

素因数の和:9959

約数の個数: 72

約数和(自身を含む): 205571184

約数和(自身を除く): 139590564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 9907, 19814, 29721, 39628, 49535, 59442, 89163, 99070, 118884, 148605, 178326, 198140, 297210, 356652, 366559, 445815, 594420, 733118, 891630, 1099677, 1466236, 1783260, 1832795, 2199354, 3299031, 3665590, 4398708, 5498385, 6598062, 7331180, 10996770, 13196124, 16495155, 21993540, 32990310, 65980620]

約数ペア:

[(1, 65980620), (2, 32990310), (3, 21993540), (4, 16495155), (5, 13196124), (6, 10996770), (9, 7331180), (10, 6598062), (12, 5498385), (15, 4398708), (18, 3665590), (20, 3299031), (30, 2199354), (36, 1832795), (37, 1783260), (45, 1466236), (60, 1099677), (74, 891630), (90, 733118), (111, 594420), (148, 445815), (180, 366559), (185, 356652), (222, 297210), (333, 198140), (370, 178326), (444, 148605), (555, 118884), (666, 99070), (740, 89163), (1110, 59442), (1332, 49535), (1665, 39628), (2220, 29721), (3330, 19814), (6660, 9907)]