1278416520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1093}}^1$

素因数の和:1154

約数の個数: 240

約数和(自身を含む): 4539104460

約数和(自身を除く): 3260687940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 361, 380, 405, 456, 513, 540, 570, 648, 684, 722, 760, 810, 855, 1026, 1080, 1083, 1093, 1140, 1368, 1444, 1539, 1620, 1710, 1805, 2052, 2166, 2186, 2280, 2565, 2888, 3078, 3240, 3249, 3279, 3420, 3610, 4104, 4332, 4372, 5130, 5415, 5465, 6156, 6498, 6558, 6840, 7220, 7695, 8664, 8744, 9747, 9837, 10260, 10830, 10930, 12312, 12996, 13116, 14440, 15390, 16245, 16395, 19494, 19674, 20520, 20767, 21660, 21860, 25992, 26232, 29241, 29511, 30780, 32490, 32790, 38988, 39348, 41534, 43320, 43720, 48735, 49185, 58482, 59022, 61560, 62301, 64980, 65580, 77976, 78696, 83068, 88533, 97470, 98370, 103835, 116964, 118044, 124602, 129960, 131160, 146205, 147555, 166136, 177066, 186903, 194940, 196740, 207670, 233928, 236088, 249204, 292410, 295110, 311505, 354132, 373806, 389880, 393480, 394573, 415340, 442665, 498408, 560709, 584820, 590220, 623010, 708264, 747612, 789146, 830680, 885330, 934515, 1121418, 1169640, 1180440, 1183719, 1246020, 1495224, 1578292, 1682127, 1770660, 1869030, 1972865, 2242836, 2367438, 2492040, 2803545, 3156584, 3364254, 3541320, 3551157, 3738060, 3945730, 4485672, 4734876, 5607090, 5918595, 6728508, 7102314, 7476120, 7891460, 8410635, 9469752, 10653471, 11214180, 11837190, 13457016, 14204628, 15782920, 16821270, 17755785, 21306942, 22428360, 23674380, 28409256, 31960413, 33642540, 35511570, 42613884, 47348760, 53267355, 63920826, 67285080, 71023140, 85227768, 106534710, 127841652, 142046280, 159802065, 213069420, 255683304, 319604130, 426138840, 639208260, 1278416520]

約数ペア:

[(1, 1278416520), (2, 639208260), (3, 426138840), (4, 319604130), (5, 255683304), (6, 213069420), (8, 159802065), (9, 142046280), (10, 127841652), (12, 106534710), (15, 85227768), (18, 71023140), (19, 67285080), (20, 63920826), (24, 53267355), (27, 47348760), (30, 42613884), (36, 35511570), (38, 33642540), (40, 31960413), (45, 28409256), (54, 23674380), (57, 22428360), (60, 21306942), (72, 17755785), (76, 16821270), (81, 15782920), (90, 14204628), (95, 13457016), (108, 11837190), (114, 11214180), (120, 10653471), (135, 9469752), (152, 8410635), (162, 7891460), (171, 7476120), (180, 7102314), (190, 6728508), (216, 5918595), (228, 5607090), (270, 4734876), (285, 4485672), (324, 3945730), (342, 3738060), (360, 3551157), (361, 3541320), (380, 3364254), (405, 3156584), (456, 2803545), (513, 2492040), (540, 2367438), (570, 2242836), (648, 1972865), (684, 1869030), (722, 1770660), (760, 1682127), (810, 1578292), (855, 1495224), (1026, 1246020), (1080, 1183719), (1083, 1180440), (1093, 1169640), (1140, 1121418), (1368, 934515), (1444, 885330), (1539, 830680), (1620, 789146), (1710, 747612), (1805, 708264), (2052, 623010), (2166, 590220), (2186, 584820), (2280, 560709), (2565, 498408), (2888, 442665), (3078, 415340), (3240, 394573), (3249, 393480), (3279, 389880), (3420, 373806), (3610, 354132), (4104, 311505), (4332, 295110), (4372, 292410), (5130, 249204), (5415, 236088), (5465, 233928), (6156, 207670), (6498, 196740), (6558, 194940), (6840, 186903), (7220, 177066), (7695, 166136), (8664, 147555), (8744, 146205), (9747, 131160), (9837, 129960), (10260, 124602), (10830, 118044), (10930, 116964), (12312, 103835), (12996, 98370), (13116, 97470), (14440, 88533), (15390, 83068), (16245, 78696), (16395, 77976), (19494, 65580), (19674, 64980), (20520, 62301), (20767, 61560), (21660, 59022), (21860, 58482), (25992, 49185), (26232, 48735), (29241, 43720), (29511, 43320), (30780, 41534), (32490, 39348), (32790, 38988)]