64861740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9739}}^1$

素因数の和:9791

約数の個数: 72

約数和(自身を含む): 202085520

約数和(自身を除く): 137223780

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, 9739, 19478, 29217, 38956, 48695, 58434, 87651, 97390, 116868, 146085, 175302, 194780, 292170, 350604, 360343, 438255, 584340, 720686, 876510, 1081029, 1441372, 1753020, 1801715, 2162058, 3243087, 3603430, 4324116, 5405145, 6486174, 7206860, 10810290, 12972348, 16215435, 21620580, 32430870, 64861740]

約数ペア:

[(1, 64861740), (2, 32430870), (3, 21620580), (4, 16215435), (5, 12972348), (6, 10810290), (9, 7206860), (10, 6486174), (12, 5405145), (15, 4324116), (18, 3603430), (20, 3243087), (30, 2162058), (36, 1801715), (37, 1753020), (45, 1441372), (60, 1081029), (74, 876510), (90, 720686), (111, 584340), (148, 438255), (180, 360343), (185, 350604), (222, 292170), (333, 194780), (370, 175302), (444, 146085), (555, 116868), (666, 97390), (740, 87651), (1110, 58434), (1332, 48695), (1665, 38956), (2220, 29217), (3330, 19478), (6660, 9739)]