56728680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 124711320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 139, 152, 179, 190, 228, 278, 285, 358, 380, 417, 456, 537, 556, 570, 695, 716, 760, 834, 895, 1074, 1112, 1140, 1390, 1432, 1668, 1790, 2085, 2148, 2280, 2641, 2685, 2780, 3336, 3401, 3580, 4170, 4296, 5282, 5370, 5560, 6802, 7160, 7923, 8340, 10203, 10564, 10740, 13205, 13604, 15846, 16680, 17005, 20406, 21128, 21480, 24881, 26410, 27208, 31692, 34010, 39615, 40812, 49762, 51015, 52820, 63384, 68020, 74643, 79230, 81624, 99524, 102030, 105640, 124405, 136040, 149286, 158460, 199048, 204060, 248810, 298572, 316920, 373215, 408120, 472739, 497620, 597144, 746430, 945478, 995240, 1418217, 1492860, 1890956, 2363695, 2836434, 2985720, 3781912, 4727390, 5672868, 7091085, 9454780, 11345736, 14182170, 18909560, 28364340, 56728680]

約数ペア:

[(1, 56728680), (2, 28364340), (3, 18909560), (4, 14182170), (5, 11345736), (6, 9454780), (8, 7091085), (10, 5672868), (12, 4727390), (15, 3781912), (19, 2985720), (20, 2836434), (24, 2363695), (30, 1890956), (38, 1492860), (40, 1418217), (57, 995240), (60, 945478), (76, 746430), (95, 597144), (114, 497620), (120, 472739), (139, 408120), (152, 373215), (179, 316920), (190, 298572), (228, 248810), (278, 204060), (285, 199048), (358, 158460), (380, 149286), (417, 136040), (456, 124405), (537, 105640), (556, 102030), (570, 99524), (695, 81624), (716, 79230), (760, 74643), (834, 68020), (895, 63384), (1074, 52820), (1112, 51015), (1140, 49762), (1390, 40812), (1432, 39615), (1668, 34010), (1790, 31692), (2085, 27208), (2148, 26410), (2280, 24881), (2641, 21480), (2685, 21128), (2780, 20406), (3336, 17005), (3401, 16680), (3580, 15846), (4170, 13604), (4296, 13205), (5282, 10740), (5370, 10564), (5560, 10203), (6802, 8340), (7160, 7923)]