256420980384

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{287179}}^1$

素因数の和:287394

約数の個数: 96

約数和(自身を含む): 687798397440

約数和(自身を除く): 431377417056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 131, 142, 213, 262, 284, 393, 426, 524, 568, 786, 852, 1048, 1136, 1572, 1704, 2096, 2272, 3144, 3408, 4192, 6288, 6816, 9301, 12576, 18602, 27903, 37204, 55806, 74408, 111612, 148816, 223224, 287179, 297632, 446448, 574358, 861537, 892896, 1148716, 1723074, 2297432, 3446148, 4594864, 6892296, 9189728, 13784592, 20389709, 27569184, 37620449, 40779418, 61169127, 75240898, 81558836, 112861347, 122338254, 150481796, 163117672, 225722694, 244676508, 300963592, 326235344, 451445388, 489353016, 601927184, 652470688, 902890776, 978706032, 1203854368, 1805781552, 1957412064, 2671051879, 3611563104, 5342103758, 8013155637, 10684207516, 16026311274, 21368415032, 32052622548, 42736830064, 64105245096, 85473660128, 128210490192, 256420980384]

約数ペア:

[(1, 256420980384), (2, 128210490192), (3, 85473660128), (4, 64105245096), (6, 42736830064), (8, 32052622548), (12, 21368415032), (16, 16026311274), (24, 10684207516), (32, 8013155637), (48, 5342103758), (71, 3611563104), (96, 2671051879), (131, 1957412064), (142, 1805781552), (213, 1203854368), (262, 978706032), (284, 902890776), (393, 652470688), (426, 601927184), (524, 489353016), (568, 451445388), (786, 326235344), (852, 300963592), (1048, 244676508), (1136, 225722694), (1572, 163117672), (1704, 150481796), (2096, 122338254), (2272, 112861347), (3144, 81558836), (3408, 75240898), (4192, 61169127), (6288, 40779418), (6816, 37620449), (9301, 27569184), (12576, 20389709), (18602, 13784592), (27903, 9189728), (37204, 6892296), (55806, 4594864), (74408, 3446148), (111612, 2297432), (148816, 1723074), (223224, 1148716), (287179, 892896), (297632, 861537), (446448, 574358)]