131921280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 192

約数和(自身を含む): 468608400

約数和(自身を除く): 336687120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 619, 640, 666, 720, 740, 888, 960, 1110, 1152, 1184, 1238, 1332, 1440, 1480, 1665, 1776, 1857, 1920, 2220, 2368, 2476, 2664, 2880, 2960, 3095, 3330, 3552, 3714, 4440, 4736, 4952, 5328, 5571, 5760, 5920, 6190, 6660, 7104, 7428, 8880, 9285, 9904, 10656, 11142, 11840, 12380, 13320, 14208, 14856, 17760, 18570, 19808, 21312, 22284, 22903, 23680, 24760, 26640, 27855, 29712, 35520, 37140, 39616, 42624, 44568, 45806, 49520, 53280, 55710, 59424, 68709, 71040, 74280, 79232, 89136, 91612, 99040, 106560, 111420, 114515, 118848, 137418, 148560, 178272, 183224, 198080, 206127, 213120, 222840, 229030, 237696, 274836, 297120, 343545, 356544, 366448, 396160, 412254, 445680, 458060, 549672, 594240, 687090, 713088, 732896, 824508, 891360, 916120, 1030635, 1099344, 1188480, 1374180, 1465792, 1649016, 1782720, 1832240, 2061270, 2198688, 2748360, 2931584, 3298032, 3565440, 3664480, 4122540, 4397376, 5496720, 6596064, 7328960, 8245080, 8794752, 10993440, 13192128, 14657920, 16490160, 21986880, 26384256, 32980320, 43973760, 65960640, 131921280]

約数ペア:

[(1, 131921280), (2, 65960640), (3, 43973760), (4, 32980320), (5, 26384256), (6, 21986880), (8, 16490160), (9, 14657920), (10, 13192128), (12, 10993440), (15, 8794752), (16, 8245080), (18, 7328960), (20, 6596064), (24, 5496720), (30, 4397376), (32, 4122540), (36, 3664480), (37, 3565440), (40, 3298032), (45, 2931584), (48, 2748360), (60, 2198688), (64, 2061270), (72, 1832240), (74, 1782720), (80, 1649016), (90, 1465792), (96, 1374180), (111, 1188480), (120, 1099344), (128, 1030635), (144, 916120), (148, 891360), (160, 824508), (180, 732896), (185, 713088), (192, 687090), (222, 594240), (240, 549672), (288, 458060), (296, 445680), (320, 412254), (333, 396160), (360, 366448), (370, 356544), (384, 343545), (444, 297120), (480, 274836), (555, 237696), (576, 229030), (592, 222840), (619, 213120), (640, 206127), (666, 198080), (720, 183224), (740, 178272), (888, 148560), (960, 137418), (1110, 118848), (1152, 114515), (1184, 111420), (1238, 106560), (1332, 99040), (1440, 91612), (1480, 89136), (1665, 79232), (1776, 74280), (1857, 71040), (1920, 68709), (2220, 59424), (2368, 55710), (2476, 53280), (2664, 49520), (2880, 45806), (2960, 44568), (3095, 42624), (3330, 39616), (3552, 37140), (3714, 35520), (4440, 29712), (4736, 27855), (4952, 26640), (5328, 24760), (5571, 23680), (5760, 22903), (5920, 22284), (6190, 21312), (6660, 19808), (7104, 18570), (7428, 17760), (8880, 14856), (9285, 14208), (9904, 13320), (10656, 12380), (11142, 11840)]