259830480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11897}}^1$

素因数の和:11933

約数の個数: 160

約数和(自身を含む): 991436544

約数和(自身を除く): 731606064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 11897, 21840, 23794, 35691, 47588, 59485, 71382, 83279, 95176, 118970, 142764, 154661, 166558, 178455, 190352, 237940, 249837, 285528, 309322, 333116, 356910, 416395, 463983, 475880, 499674, 571056, 618644, 666232, 713820, 773305, 832790, 927966, 951760, 999348, 1082627, 1237288, 1249185, 1332464, 1427640, 1546610, 1665580, 1855932, 1998696, 2165254, 2319915, 2474576, 2498370, 2855280, 3093220, 3247881, 3331160, 3711864, 3997392, 4330508, 4639830, 4996740, 5413135, 6186440, 6495762, 6662320, 7423728, 8661016, 9279660, 9993480, 10826270, 12372880, 12991524, 16239405, 17322032, 18559320, 19986960, 21652540, 25983048, 32478810, 37118640, 43305080, 51966096, 64957620, 86610160, 129915240, 259830480]

約数ペア:

[(1, 259830480), (2, 129915240), (3, 86610160), (4, 64957620), (5, 51966096), (6, 43305080), (7, 37118640), (8, 32478810), (10, 25983048), (12, 21652540), (13, 19986960), (14, 18559320), (15, 17322032), (16, 16239405), (20, 12991524), (21, 12372880), (24, 10826270), (26, 9993480), (28, 9279660), (30, 8661016), (35, 7423728), (39, 6662320), (40, 6495762), (42, 6186440), (48, 5413135), (52, 4996740), (56, 4639830), (60, 4330508), (65, 3997392), (70, 3711864), (78, 3331160), (80, 3247881), (84, 3093220), (91, 2855280), (104, 2498370), (105, 2474576), (112, 2319915), (120, 2165254), (130, 1998696), (140, 1855932), (156, 1665580), (168, 1546610), (182, 1427640), (195, 1332464), (208, 1249185), (210, 1237288), (240, 1082627), (260, 999348), (273, 951760), (280, 927966), (312, 832790), (336, 773305), (364, 713820), (390, 666232), (420, 618644), (455, 571056), (520, 499674), (546, 475880), (560, 463983), (624, 416395), (728, 356910), (780, 333116), (840, 309322), (910, 285528), (1040, 249837), (1092, 237940), (1365, 190352), (1456, 178455), (1560, 166558), (1680, 154661), (1820, 142764), (2184, 118970), (2730, 95176), (3120, 83279), (3640, 71382), (4368, 59485), (5460, 47588), (7280, 35691), (10920, 23794), (11897, 21840)]