71914480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 185131008

約数和(自身を除く): 113216528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1151, 1420, 1562, 2302, 2840, 3124, 3905, 4604, 5680, 5755, 6248, 7810, 9208, 11510, 12496, 12661, 15620, 18416, 23020, 25322, 31240, 46040, 50644, 62480, 63305, 81721, 92080, 101288, 126610, 163442, 202576, 253220, 326884, 408605, 506440, 653768, 817210, 898931, 1012880, 1307536, 1634420, 1797862, 3268840, 3595724, 4494655, 6537680, 7191448, 8989310, 14382896, 17978620, 35957240, 71914480]

約数ペア:

[(1, 71914480), (2, 35957240), (4, 17978620), (5, 14382896), (8, 8989310), (10, 7191448), (11, 6537680), (16, 4494655), (20, 3595724), (22, 3268840), (40, 1797862), (44, 1634420), (55, 1307536), (71, 1012880), (80, 898931), (88, 817210), (110, 653768), (142, 506440), (176, 408605), (220, 326884), (284, 253220), (355, 202576), (440, 163442), (568, 126610), (710, 101288), (781, 92080), (880, 81721), (1136, 63305), (1151, 62480), (1420, 50644), (1562, 46040), (2302, 31240), (2840, 25322), (3124, 23020), (3905, 18416), (4604, 15620), (5680, 12661), (5755, 12496), (6248, 11510), (7810, 9208)]