90278320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 230690592

約数和(自身を除く): 140412272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 593, 692, 865, 880, 1186, 1384, 1730, 1903, 2372, 2768, 2965, 3460, 3806, 4744, 5930, 6523, 6920, 7612, 9488, 9515, 11860, 13046, 13840, 15224, 19030, 23720, 26092, 30448, 32615, 38060, 47440, 52184, 65230, 76120, 102589, 104368, 130460, 152240, 205178, 260920, 410356, 512945, 521840, 820712, 1025890, 1128479, 1641424, 2051780, 2256958, 4103560, 4513916, 5642395, 8207120, 9027832, 11284790, 18055664, 22569580, 45139160, 90278320]

約数ペア:

[(1, 90278320), (2, 45139160), (4, 22569580), (5, 18055664), (8, 11284790), (10, 9027832), (11, 8207120), (16, 5642395), (20, 4513916), (22, 4103560), (40, 2256958), (44, 2051780), (55, 1641424), (80, 1128479), (88, 1025890), (110, 820712), (173, 521840), (176, 512945), (220, 410356), (346, 260920), (440, 205178), (593, 152240), (692, 130460), (865, 104368), (880, 102589), (1186, 76120), (1384, 65230), (1730, 52184), (1903, 47440), (2372, 38060), (2768, 32615), (2965, 30448), (3460, 26092), (3806, 23720), (4744, 19030), (5930, 15224), (6523, 13840), (6920, 13046), (7612, 11860), (9488, 9515)]