131457480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 256

約数和(自身を含む): 505128960

約数和(自身を除く): 373671480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 41, 42, 44, 55, 56, 60, 66, 70, 77, 82, 84, 88, 105, 110, 120, 123, 132, 140, 154, 164, 165, 168, 205, 210, 220, 231, 246, 264, 280, 287, 308, 328, 330, 347, 385, 410, 420, 440, 451, 462, 492, 574, 615, 616, 660, 694, 770, 820, 840, 861, 902, 924, 984, 1041, 1148, 1155, 1230, 1320, 1353, 1388, 1435, 1540, 1640, 1722, 1735, 1804, 1848, 2082, 2255, 2296, 2310, 2429, 2460, 2706, 2776, 2870, 3080, 3157, 3444, 3470, 3608, 3817, 4164, 4305, 4510, 4620, 4858, 4920, 5205, 5412, 5740, 6314, 6765, 6888, 6940, 7287, 7634, 8328, 8610, 9020, 9240, 9471, 9716, 10410, 10824, 11451, 11480, 12145, 12628, 13530, 13880, 14227, 14574, 15268, 15785, 17220, 18040, 18942, 19085, 19432, 20820, 22902, 24290, 25256, 26719, 27060, 28454, 29148, 30536, 31570, 34440, 36435, 37884, 38170, 41640, 42681, 45804, 47355, 48580, 53438, 54120, 56908, 57255, 58296, 63140, 71135, 72870, 75768, 76340, 80157, 85362, 91608, 94710, 97160, 99589, 106876, 113816, 114510, 126280, 133595, 142270, 145740, 152680, 156497, 160314, 170724, 189420, 199178, 213405, 213752, 229020, 267190, 284540, 291480, 298767, 312994, 320628, 341448, 378840, 398356, 400785, 426810, 458040, 469491, 497945, 534380, 569080, 597534, 625988, 641256, 782485, 796712, 801570, 853620, 938982, 995890, 1068760, 1095479, 1195068, 1251976, 1493835, 1564970, 1603140, 1707240, 1877964, 1991780, 2190958, 2347455, 2390136, 2987670, 3129940, 3206280, 3286437, 3755928, 3983560, 4381916, 4694910, 5477395, 5975340, 6259880, 6572874, 8763832, 9389820, 10954790, 11950680, 13145748, 16432185, 18779640, 21909580, 26291496, 32864370, 43819160, 65728740, 131457480]

約数ペア:

[(1, 131457480), (2, 65728740), (3, 43819160), (4, 32864370), (5, 26291496), (6, 21909580), (7, 18779640), (8, 16432185), (10, 13145748), (11, 11950680), (12, 10954790), (14, 9389820), (15, 8763832), (20, 6572874), (21, 6259880), (22, 5975340), (24, 5477395), (28, 4694910), (30, 4381916), (33, 3983560), (35, 3755928), (40, 3286437), (41, 3206280), (42, 3129940), (44, 2987670), (55, 2390136), (56, 2347455), (60, 2190958), (66, 1991780), (70, 1877964), (77, 1707240), (82, 1603140), (84, 1564970), (88, 1493835), (105, 1251976), (110, 1195068), (120, 1095479), (123, 1068760), (132, 995890), (140, 938982), (154, 853620), (164, 801570), (165, 796712), (168, 782485), (205, 641256), (210, 625988), (220, 597534), (231, 569080), (246, 534380), (264, 497945), (280, 469491), (287, 458040), (308, 426810), (328, 400785), (330, 398356), (347, 378840), (385, 341448), (410, 320628), (420, 312994), (440, 298767), (451, 291480), (462, 284540), (492, 267190), (574, 229020), (615, 213752), (616, 213405), (660, 199178), (694, 189420), (770, 170724), (820, 160314), (840, 156497), (861, 152680), (902, 145740), (924, 142270), (984, 133595), (1041, 126280), (1148, 114510), (1155, 113816), (1230, 106876), (1320, 99589), (1353, 97160), (1388, 94710), (1435, 91608), (1540, 85362), (1640, 80157), (1722, 76340), (1735, 75768), (1804, 72870), (1848, 71135), (2082, 63140), (2255, 58296), (2296, 57255), (2310, 56908), (2429, 54120), (2460, 53438), (2706, 48580), (2776, 47355), (2870, 45804), (3080, 42681), (3157, 41640), (3444, 38170), (3470, 37884), (3608, 36435), (3817, 34440), (4164, 31570), (4305, 30536), (4510, 29148), (4620, 28454), (4858, 27060), (4920, 26719), (5205, 25256), (5412, 24290), (5740, 22902), (6314, 20820), (6765, 19432), (6888, 19085), (6940, 18942), (7287, 18040), (7634, 17220), (8328, 15785), (8610, 15268), (9020, 14574), (9240, 14227), (9471, 13880), (9716, 13530), (10410, 12628), (10824, 12145), (11451, 11480)]