645542640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{896587}}^1$

素因数の和:896606

約数の個数: 60

約数和(自身を含む): 2167949784

約数和(自身を除く): 1522407144

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, 896587, 1793174, 2689761, 3586348, 4482935, 5379522, 7172696, 8069283, 8965870, 10759044, 13448805, 14345392, 16138566, 17931740, 21518088, 26897610, 32277132, 35863480, 40346415, 43036176, 53795220, 64554264, 71726960, 80692830, 107590440, 129108528, 161385660, 215180880, 322771320, 645542640]

約数ペア:

[(1, 645542640), (2, 322771320), (3, 215180880), (4, 161385660), (5, 129108528), (6, 107590440), (8, 80692830), (9, 71726960), (10, 64554264), (12, 53795220), (15, 43036176), (16, 40346415), (18, 35863480), (20, 32277132), (24, 26897610), (30, 21518088), (36, 17931740), (40, 16138566), (45, 14345392), (48, 13448805), (60, 10759044), (72, 8965870), (80, 8069283), (90, 7172696), (120, 5379522), (144, 4482935), (180, 3586348), (240, 2689761), (360, 1793174), (720, 896587)]