64911660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8941}}^1$

素因数の和:8975

約数の個数: 72

約数和(自身を含む): 199800048

約数和(自身を除く): 134888388

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 8941, 17882, 26823, 35764, 44705, 53646, 89410, 98351, 107292, 134115, 178820, 196702, 268230, 295053, 393404, 491755, 536460, 590106, 983510, 1081861, 1180212, 1475265, 1967020, 2163722, 2950530, 3245583, 4327444, 5409305, 5901060, 6491166, 10818610, 12982332, 16227915, 21637220, 32455830, 64911660]

約数ペア:

[(1, 64911660), (2, 32455830), (3, 21637220), (4, 16227915), (5, 12982332), (6, 10818610), (10, 6491166), (11, 5901060), (12, 5409305), (15, 4327444), (20, 3245583), (22, 2950530), (30, 2163722), (33, 1967020), (44, 1475265), (55, 1180212), (60, 1081861), (66, 983510), (110, 590106), (121, 536460), (132, 491755), (165, 393404), (220, 295053), (242, 268230), (330, 196702), (363, 178820), (484, 134115), (605, 107292), (660, 98351), (726, 89410), (1210, 53646), (1452, 44705), (1815, 35764), (2420, 26823), (3630, 17882), (7260, 8941)]