64495420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 154173600

約数和(自身を除く): 89678180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 919, 1210, 1276, 1595, 1838, 2420, 3190, 3509, 3676, 4595, 6380, 7018, 9190, 10109, 14036, 17545, 18380, 20218, 26651, 35090, 40436, 50545, 53302, 70180, 101090, 106604, 111199, 133255, 202180, 222398, 266510, 293161, 444796, 533020, 555995, 586322, 1111990, 1172644, 1465805, 2223980, 2931610, 3224771, 5863220, 6449542, 12899084, 16123855, 32247710, 64495420]

約数ペア:

[(1, 64495420), (2, 32247710), (4, 16123855), (5, 12899084), (10, 6449542), (11, 5863220), (20, 3224771), (22, 2931610), (29, 2223980), (44, 1465805), (55, 1172644), (58, 1111990), (110, 586322), (116, 555995), (121, 533020), (145, 444796), (220, 293161), (242, 266510), (290, 222398), (319, 202180), (484, 133255), (580, 111199), (605, 106604), (638, 101090), (919, 70180), (1210, 53302), (1276, 50545), (1595, 40436), (1838, 35090), (2420, 26651), (3190, 20218), (3509, 18380), (3676, 17545), (4595, 14036), (6380, 10109), (7018, 9190)]