80731440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3617}}^1$

素因数の和:3667

約数の個数: 120

約数和(自身を含む): 279946368

約数和(自身を除く): 199214928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3617, 3720, 4464, 5580, 7234, 7440, 10851, 11160, 14468, 18085, 21702, 22320, 28936, 32553, 36170, 43404, 54255, 57872, 65106, 72340, 86808, 108510, 112127, 130212, 144680, 162765, 173616, 217020, 224254, 260424, 289360, 325530, 336381, 434040, 448508, 520848, 560635, 651060, 672762, 868080, 897016, 1009143, 1121270, 1302120, 1345524, 1681905, 1794032, 2018286, 2242540, 2604240, 2691048, 3363810, 4036572, 4485080, 5045715, 5382096, 6727620, 8073144, 8970160, 10091430, 13455240, 16146288, 20182860, 26910480, 40365720, 80731440]

約数ペア:

[(1, 80731440), (2, 40365720), (3, 26910480), (4, 20182860), (5, 16146288), (6, 13455240), (8, 10091430), (9, 8970160), (10, 8073144), (12, 6727620), (15, 5382096), (16, 5045715), (18, 4485080), (20, 4036572), (24, 3363810), (30, 2691048), (31, 2604240), (36, 2242540), (40, 2018286), (45, 1794032), (48, 1681905), (60, 1345524), (62, 1302120), (72, 1121270), (80, 1009143), (90, 897016), (93, 868080), (120, 672762), (124, 651060), (144, 560635), (155, 520848), (180, 448508), (186, 434040), (240, 336381), (248, 325530), (279, 289360), (310, 260424), (360, 224254), (372, 217020), (465, 173616), (496, 162765), (558, 144680), (620, 130212), (720, 112127), (744, 108510), (930, 86808), (1116, 72340), (1240, 65106), (1395, 57872), (1488, 54255), (1860, 43404), (2232, 36170), (2480, 32553), (2790, 28936), (3617, 22320), (3720, 21702), (4464, 18085), (5580, 14468), (7234, 11160), (7440, 10851)]