71992080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{99989}}^1$

素因数の和:100008

約数の個数: 60

約数和(自身を含む): 241775820

約数和(自身を除く): 169783740

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, 99989, 199978, 299967, 399956, 499945, 599934, 799912, 899901, 999890, 1199868, 1499835, 1599824, 1799802, 1999780, 2399736, 2999670, 3599604, 3999560, 4499505, 4799472, 5999340, 7199208, 7999120, 8999010, 11998680, 14398416, 17998020, 23997360, 35996040, 71992080]

約数ペア:

[(1, 71992080), (2, 35996040), (3, 23997360), (4, 17998020), (5, 14398416), (6, 11998680), (8, 8999010), (9, 7999120), (10, 7199208), (12, 5999340), (15, 4799472), (16, 4499505), (18, 3999560), (20, 3599604), (24, 2999670), (30, 2399736), (36, 1999780), (40, 1799802), (45, 1599824), (48, 1499835), (60, 1199868), (72, 999890), (80, 899901), (90, 799912), (120, 599934), (144, 499945), (180, 399956), (240, 299967), (360, 199978), (720, 99989)]