261400260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{396061}}^1$

素因数の和:396084

約数の個数: 48

約数和(自身を含む): 798460992

約数和(自身を除く): 537060732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 396061, 792122, 1188183, 1584244, 1980305, 2376366, 3960610, 4356671, 4752732, 5940915, 7921220, 8713342, 11881830, 13070013, 17426684, 21783355, 23763660, 26140026, 43566710, 52280052, 65350065, 87133420, 130700130, 261400260]

約数ペア:

[(1, 261400260), (2, 130700130), (3, 87133420), (4, 65350065), (5, 52280052), (6, 43566710), (10, 26140026), (11, 23763660), (12, 21783355), (15, 17426684), (20, 13070013), (22, 11881830), (30, 8713342), (33, 7921220), (44, 5940915), (55, 4752732), (60, 4356671), (66, 3960610), (110, 2376366), (132, 1980305), (165, 1584244), (220, 1188183), (330, 792122), (660, 396061)]