90043740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1993}}^1$

素因数の和:2259

約数の個数: 72

約数和(自身を含む): 274358448

約数和(自身を除く): 184314708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1993, 2259, 2510, 3012, 3765, 3986, 4518, 5020, 5979, 7530, 7972, 9036, 9965, 11295, 11958, 15060, 17937, 19930, 22590, 23916, 29895, 35874, 39860, 45180, 59790, 71748, 89685, 119580, 179370, 358740, 500243, 1000486, 1500729, 2000972, 2501215, 3001458, 4502187, 5002430, 6002916, 7503645, 9004374, 10004860, 15007290, 18008748, 22510935, 30014580, 45021870, 90043740]

約数ペア:

[(1, 90043740), (2, 45021870), (3, 30014580), (4, 22510935), (5, 18008748), (6, 15007290), (9, 10004860), (10, 9004374), (12, 7503645), (15, 6002916), (18, 5002430), (20, 4502187), (30, 3001458), (36, 2501215), (45, 2000972), (60, 1500729), (90, 1000486), (180, 500243), (251, 358740), (502, 179370), (753, 119580), (1004, 89685), (1255, 71748), (1506, 59790), (1993, 45180), (2259, 39860), (2510, 35874), (3012, 29895), (3765, 23916), (3986, 22590), (4518, 19930), (5020, 17937), (5979, 15060), (7530, 11958), (7972, 11295), (9036, 9965)]