40536960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 132485760

約数和(自身を除く): 91948800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 491, 516, 640, 645, 688, 860, 960, 982, 1032, 1290, 1376, 1473, 1720, 1920, 1964, 2064, 2455, 2580, 2752, 2946, 3440, 3928, 4128, 4910, 5160, 5504, 5892, 6880, 7365, 7856, 8256, 9820, 10320, 11784, 13760, 14730, 15712, 16512, 19640, 20640, 21113, 23568, 27520, 29460, 31424, 39280, 41280, 42226, 47136, 58920, 62848, 63339, 78560, 82560, 84452, 94272, 105565, 117840, 126678, 157120, 168904, 188544, 211130, 235680, 253356, 314240, 316695, 337808, 422260, 471360, 506712, 633390, 675616, 844520, 942720, 1013424, 1266780, 1351232, 1689040, 2026848, 2533560, 2702464, 3378080, 4053696, 5067120, 6756160, 8107392, 10134240, 13512320, 20268480, 40536960]

約数ペア:

[(1, 40536960), (2, 20268480), (3, 13512320), (4, 10134240), (5, 8107392), (6, 6756160), (8, 5067120), (10, 4053696), (12, 3378080), (15, 2702464), (16, 2533560), (20, 2026848), (24, 1689040), (30, 1351232), (32, 1266780), (40, 1013424), (43, 942720), (48, 844520), (60, 675616), (64, 633390), (80, 506712), (86, 471360), (96, 422260), (120, 337808), (128, 316695), (129, 314240), (160, 253356), (172, 235680), (192, 211130), (215, 188544), (240, 168904), (258, 157120), (320, 126678), (344, 117840), (384, 105565), (430, 94272), (480, 84452), (491, 82560), (516, 78560), (640, 63339), (645, 62848), (688, 58920), (860, 47136), (960, 42226), (982, 41280), (1032, 39280), (1290, 31424), (1376, 29460), (1473, 27520), (1720, 23568), (1920, 21113), (1964, 20640), (2064, 19640), (2455, 16512), (2580, 15712), (2752, 14730), (2946, 13760), (3440, 11784), (3928, 10320), (4128, 9820), (4910, 8256), (5160, 7856), (5504, 7365), (5892, 6880)]