81336480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:966

約数の個数: 96

約数和(自身を含む): 257644800

約数和(自身を除く): 176308320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 239, 240, 478, 480, 709, 717, 956, 1195, 1418, 1434, 1912, 2127, 2390, 2836, 2868, 3545, 3585, 3824, 4254, 4780, 5672, 5736, 7090, 7170, 7648, 8508, 9560, 10635, 11344, 11472, 14180, 14340, 17016, 19120, 21270, 22688, 22944, 28360, 28680, 34032, 38240, 42540, 56720, 57360, 68064, 85080, 113440, 114720, 169451, 170160, 338902, 340320, 508353, 677804, 847255, 1016706, 1355608, 1694510, 2033412, 2541765, 2711216, 3389020, 4066824, 5083530, 5422432, 6778040, 8133648, 10167060, 13556080, 16267296, 20334120, 27112160, 40668240, 81336480]

約数ペア:

[(1, 81336480), (2, 40668240), (3, 27112160), (4, 20334120), (5, 16267296), (6, 13556080), (8, 10167060), (10, 8133648), (12, 6778040), (15, 5422432), (16, 5083530), (20, 4066824), (24, 3389020), (30, 2711216), (32, 2541765), (40, 2033412), (48, 1694510), (60, 1355608), (80, 1016706), (96, 847255), (120, 677804), (160, 508353), (239, 340320), (240, 338902), (478, 170160), (480, 169451), (709, 114720), (717, 113440), (956, 85080), (1195, 68064), (1418, 57360), (1434, 56720), (1912, 42540), (2127, 38240), (2390, 34032), (2836, 28680), (2868, 28360), (3545, 22944), (3585, 22688), (3824, 21270), (4254, 19120), (4780, 17016), (5672, 14340), (5736, 14180), (7090, 11472), (7170, 11344), (7648, 10635), (8508, 9560)]