26220960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 90810720

約数和(自身を除く): 64589760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 131, 139, 144, 160, 180, 240, 262, 278, 288, 360, 393, 417, 480, 524, 556, 655, 695, 720, 786, 834, 1048, 1112, 1179, 1251, 1310, 1390, 1440, 1572, 1668, 1965, 2085, 2096, 2224, 2358, 2502, 2620, 2780, 3144, 3336, 3930, 4170, 4192, 4448, 4716, 5004, 5240, 5560, 5895, 6255, 6288, 6672, 7860, 8340, 9432, 10008, 10480, 11120, 11790, 12510, 12576, 13344, 15720, 16680, 18209, 18864, 20016, 20960, 22240, 23580, 25020, 31440, 33360, 36418, 37728, 40032, 47160, 50040, 54627, 62880, 66720, 72836, 91045, 94320, 100080, 109254, 145672, 163881, 182090, 188640, 200160, 218508, 273135, 291344, 327762, 364180, 437016, 546270, 582688, 655524, 728360, 819405, 874032, 1092540, 1311048, 1456720, 1638810, 1748064, 2185080, 2622096, 2913440, 3277620, 4370160, 5244192, 6555240, 8740320, 13110480, 26220960]

約数ペア:

[(1, 26220960), (2, 13110480), (3, 8740320), (4, 6555240), (5, 5244192), (6, 4370160), (8, 3277620), (9, 2913440), (10, 2622096), (12, 2185080), (15, 1748064), (16, 1638810), (18, 1456720), (20, 1311048), (24, 1092540), (30, 874032), (32, 819405), (36, 728360), (40, 655524), (45, 582688), (48, 546270), (60, 437016), (72, 364180), (80, 327762), (90, 291344), (96, 273135), (120, 218508), (131, 200160), (139, 188640), (144, 182090), (160, 163881), (180, 145672), (240, 109254), (262, 100080), (278, 94320), (288, 91045), (360, 72836), (393, 66720), (417, 62880), (480, 54627), (524, 50040), (556, 47160), (655, 40032), (695, 37728), (720, 36418), (786, 33360), (834, 31440), (1048, 25020), (1112, 23580), (1179, 22240), (1251, 20960), (1310, 20016), (1390, 18864), (1440, 18209), (1572, 16680), (1668, 15720), (1965, 13344), (2085, 12576), (2096, 12510), (2224, 11790), (2358, 11120), (2502, 10480), (2620, 10008), (2780, 9432), (3144, 8340), (3336, 7860), (3930, 6672), (4170, 6288), (4192, 6255), (4448, 5895), (4716, 5560), (5004, 5240)]