31894740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4789}}^1$

素因数の和:4841

約数の個数: 72

約数和(自身を含む): 99382920

約数和(自身を除く): 67488180

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, 4789, 6660, 9578, 14367, 19156, 23945, 28734, 43101, 47890, 57468, 71835, 86202, 95780, 143670, 172404, 177193, 215505, 287340, 354386, 431010, 531579, 708772, 862020, 885965, 1063158, 1594737, 1771930, 2126316, 2657895, 3189474, 3543860, 5315790, 6378948, 7973685, 10631580, 15947370, 31894740]

約数ペア:

[(1, 31894740), (2, 15947370), (3, 10631580), (4, 7973685), (5, 6378948), (6, 5315790), (9, 3543860), (10, 3189474), (12, 2657895), (15, 2126316), (18, 1771930), (20, 1594737), (30, 1063158), (36, 885965), (37, 862020), (45, 708772), (60, 531579), (74, 431010), (90, 354386), (111, 287340), (148, 215505), (180, 177193), (185, 172404), (222, 143670), (333, 95780), (370, 86202), (444, 71835), (555, 57468), (666, 47890), (740, 43101), (1110, 28734), (1332, 23945), (1665, 19156), (2220, 14367), (3330, 9578), (4789, 6660)]