71880080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3109}}^1$

素因数の和:3156

約数の個数: 60

約数和(自身を含む): 177587220

約数和(自身を除く): 105707140

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 3109, 4624, 5780, 6218, 11560, 12436, 15545, 23120, 24872, 31090, 49744, 52853, 62180, 105706, 124360, 211412, 248720, 264265, 422824, 528530, 845648, 898501, 1057060, 1797002, 2114120, 3594004, 4228240, 4492505, 7188008, 8985010, 14376016, 17970020, 35940040, 71880080]

約数ペア:

[(1, 71880080), (2, 35940040), (4, 17970020), (5, 14376016), (8, 8985010), (10, 7188008), (16, 4492505), (17, 4228240), (20, 3594004), (34, 2114120), (40, 1797002), (68, 1057060), (80, 898501), (85, 845648), (136, 528530), (170, 422824), (272, 264265), (289, 248720), (340, 211412), (578, 124360), (680, 105706), (1156, 62180), (1360, 52853), (1445, 49744), (2312, 31090), (2890, 24872), (3109, 23120), (4624, 15545), (5780, 12436), (6218, 11560)]