154790640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{214987}}^1$

素因数の和:215006

約数の個数: 60

約数和(自身を含む): 519840984

約数和(自身を除く): 365050344

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, 214987, 429974, 644961, 859948, 1074935, 1289922, 1719896, 1934883, 2149870, 2579844, 3224805, 3439792, 3869766, 4299740, 5159688, 6449610, 7739532, 8599480, 9674415, 10319376, 12899220, 15479064, 17198960, 19348830, 25798440, 30958128, 38697660, 51596880, 77395320, 154790640]

約数ペア:

[(1, 154790640), (2, 77395320), (3, 51596880), (4, 38697660), (5, 30958128), (6, 25798440), (8, 19348830), (9, 17198960), (10, 15479064), (12, 12899220), (15, 10319376), (16, 9674415), (18, 8599480), (20, 7739532), (24, 6449610), (30, 5159688), (36, 4299740), (40, 3869766), (45, 3439792), (48, 3224805), (60, 2579844), (72, 2149870), (80, 1934883), (90, 1719896), (120, 1289922), (144, 1074935), (180, 859948), (240, 644961), (360, 429974), (720, 214987)]