123945840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{172147}}^1$

素因数の和:172166

約数の個数: 60

約数和(自身を含む): 416253864

約数和(自身を除く): 292308024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 172147, 344294, 516441, 688588, 860735, 1032882, 1377176, 1549323, 1721470, 2065764, 2582205, 2754352, 3098646, 3442940, 4131528, 5164410, 6197292, 6885880, 7746615, 8263056, 10328820, 12394584, 13771760, 15493230, 20657640, 24789168, 30986460, 41315280, 61972920, 123945840]

約数ペア:

[(1, 123945840), (2, 61972920), (3, 41315280), (4, 30986460), (5, 24789168), (6, 20657640), (8, 15493230), (9, 13771760), (10, 12394584), (12, 10328820), (15, 8263056), (16, 7746615), (18, 6885880), (20, 6197292), (24, 5164410), (30, 4131528), (36, 3442940), (40, 3098646), (45, 2754352), (48, 2582205), (60, 2065764), (72, 1721470), (80, 1549323), (90, 1377176), (120, 1032882), (144, 860735), (180, 688588), (240, 516441), (360, 344294), (720, 172147)]