66628920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17911}}^1$

素因数の和:17956

約数の個数: 64

約数和(自身を含む): 206346240

約数和(自身を除く): 139717320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 17911, 35822, 53733, 71644, 89555, 107466, 143288, 179110, 214932, 268665, 358220, 429864, 537330, 555241, 716440, 1074660, 1110482, 1665723, 2149320, 2220964, 2776205, 3331446, 4441928, 5552410, 6662892, 8328615, 11104820, 13325784, 16657230, 22209640, 33314460, 66628920]

約数ペア:

[(1, 66628920), (2, 33314460), (3, 22209640), (4, 16657230), (5, 13325784), (6, 11104820), (8, 8328615), (10, 6662892), (12, 5552410), (15, 4441928), (20, 3331446), (24, 2776205), (30, 2220964), (31, 2149320), (40, 1665723), (60, 1110482), (62, 1074660), (93, 716440), (120, 555241), (124, 537330), (155, 429864), (186, 358220), (248, 268665), (310, 214932), (372, 179110), (465, 143288), (620, 107466), (744, 89555), (930, 71644), (1240, 53733), (1860, 35822), (3720, 17911)]