521302760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 1334361600

約数和(自身を除く): 813058840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 59, 86, 88, 110, 118, 172, 215, 220, 236, 295, 344, 430, 440, 467, 472, 473, 590, 649, 860, 934, 946, 1180, 1298, 1720, 1868, 1892, 2335, 2360, 2365, 2537, 2596, 3245, 3736, 3784, 4670, 4730, 5074, 5137, 5192, 6490, 9340, 9460, 10148, 10274, 12685, 12980, 18680, 18920, 20081, 20296, 20548, 25370, 25685, 25960, 27553, 27907, 40162, 41096, 50740, 51370, 55106, 55814, 80324, 100405, 101480, 102740, 110212, 111628, 137765, 139535, 160648, 200810, 205480, 220424, 220891, 223256, 275530, 279070, 303083, 401620, 441782, 551060, 558140, 606166, 803240, 883564, 1102120, 1104455, 1116280, 1184779, 1212332, 1515415, 1767128, 2208910, 2369558, 2424664, 3030830, 4417820, 4739116, 5923895, 6061660, 8835640, 9478232, 11847790, 12123320, 13032569, 23695580, 26065138, 47391160, 52130276, 65162845, 104260552, 130325690, 260651380, 521302760]

約数ペア:

[(1, 521302760), (2, 260651380), (4, 130325690), (5, 104260552), (8, 65162845), (10, 52130276), (11, 47391160), (20, 26065138), (22, 23695580), (40, 13032569), (43, 12123320), (44, 11847790), (55, 9478232), (59, 8835640), (86, 6061660), (88, 5923895), (110, 4739116), (118, 4417820), (172, 3030830), (215, 2424664), (220, 2369558), (236, 2208910), (295, 1767128), (344, 1515415), (430, 1212332), (440, 1184779), (467, 1116280), (472, 1104455), (473, 1102120), (590, 883564), (649, 803240), (860, 606166), (934, 558140), (946, 551060), (1180, 441782), (1298, 401620), (1720, 303083), (1868, 279070), (1892, 275530), (2335, 223256), (2360, 220891), (2365, 220424), (2537, 205480), (2596, 200810), (3245, 160648), (3736, 139535), (3784, 137765), (4670, 111628), (4730, 110212), (5074, 102740), (5137, 101480), (5192, 100405), (6490, 80324), (9340, 55814), (9460, 55106), (10148, 51370), (10274, 50740), (12685, 41096), (12980, 40162), (18680, 27907), (18920, 27553), (20081, 25960), (20296, 25685), (20548, 25370)]