221538960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307693}}^1$

素因数の和:307712

約数の個数: 60

約数和(自身を含む): 744004092

約数和(自身を除く): 522465132

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, 307693, 615386, 923079, 1230772, 1538465, 1846158, 2461544, 2769237, 3076930, 3692316, 4615395, 4923088, 5538474, 6153860, 7384632, 9230790, 11076948, 12307720, 13846185, 14769264, 18461580, 22153896, 24615440, 27692370, 36923160, 44307792, 55384740, 73846320, 110769480, 221538960]

約数ペア:

[(1, 221538960), (2, 110769480), (3, 73846320), (4, 55384740), (5, 44307792), (6, 36923160), (8, 27692370), (9, 24615440), (10, 22153896), (12, 18461580), (15, 14769264), (16, 13846185), (18, 12307720), (20, 11076948), (24, 9230790), (30, 7384632), (36, 6153860), (40, 5538474), (45, 4923088), (48, 4615395), (60, 3692316), (72, 3076930), (80, 2769237), (90, 2461544), (120, 1846158), (144, 1538465), (180, 1230772), (240, 923079), (360, 615386), (720, 307693)]