641687040

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{27851}}^1$

素因数の和:27880

約数の個数: 120

約数和(自身を含む): 2222422488

約数和(自身を除く): 1580735448

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 27851, 55702, 83553, 111404, 139255, 167106, 222808, 250659, 278510, 334212, 417765, 445616, 501318, 557020, 668424, 835530, 891232, 1002636, 1114040, 1253295, 1336848, 1671060, 1782464, 2005272, 2228080, 2506590, 2673696, 3342120, 3564928, 4010544, 4456160, 5013180, 5347392, 6684240, 7129856, 8021088, 8912320, 10026360, 10694784, 13368480, 14259712, 16042176, 17824640, 20052720, 21389568, 26736960, 32084352, 35649280, 40105440, 42779136, 53473920, 64168704, 71298560, 80210880, 106947840, 128337408, 160421760, 213895680, 320843520, 641687040]

約数ペア:

[(1, 641687040), (2, 320843520), (3, 213895680), (4, 160421760), (5, 128337408), (6, 106947840), (8, 80210880), (9, 71298560), (10, 64168704), (12, 53473920), (15, 42779136), (16, 40105440), (18, 35649280), (20, 32084352), (24, 26736960), (30, 21389568), (32, 20052720), (36, 17824640), (40, 16042176), (45, 14259712), (48, 13368480), (60, 10694784), (64, 10026360), (72, 8912320), (80, 8021088), (90, 7129856), (96, 6684240), (120, 5347392), (128, 5013180), (144, 4456160), (160, 4010544), (180, 3564928), (192, 3342120), (240, 2673696), (256, 2506590), (288, 2228080), (320, 2005272), (360, 1782464), (384, 1671060), (480, 1336848), (512, 1253295), (576, 1114040), (640, 1002636), (720, 891232), (768, 835530), (960, 668424), (1152, 557020), (1280, 501318), (1440, 445616), (1536, 417765), (1920, 334212), (2304, 278510), (2560, 250659), (2880, 222808), (3840, 167106), (4608, 139255), (5760, 111404), (7680, 83553), (11520, 55702), (23040, 27851)]