31365542560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1620121}}^1$

素因数の和:1620158

約数の個数: 72

約数和(自身を含む): 81450013428

約数和(自身を除く): 50084470868

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 1620121, 3240242, 6480484, 8100605, 12960968, 16201210, 17821331, 25921936, 32402420, 35642662, 51843872, 64804840, 71285324, 89106655, 129609680, 142570648, 178213310, 196034641, 259219360, 285141296, 356426620, 392069282, 570282592, 712853240, 784138564, 980173205, 1425706480, 1568277128, 1960346410, 2851412960, 3136554256, 3920692820, 6273108512, 7841385640, 15682771280, 31365542560]

約数ペア:

[(1, 31365542560), (2, 15682771280), (4, 7841385640), (5, 6273108512), (8, 3920692820), (10, 3136554256), (11, 2851412960), (16, 1960346410), (20, 1568277128), (22, 1425706480), (32, 980173205), (40, 784138564), (44, 712853240), (55, 570282592), (80, 392069282), (88, 356426620), (110, 285141296), (121, 259219360), (160, 196034641), (176, 178213310), (220, 142570648), (242, 129609680), (352, 89106655), (440, 71285324), (484, 64804840), (605, 51843872), (880, 35642662), (968, 32402420), (1210, 25921936), (1760, 17821331), (1936, 16201210), (2420, 12960968), (3872, 8100605), (4840, 6480484), (9680, 3240242), (19360, 1620121)]