387777440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 96

約数和(自身を含む): 946028160

約数和(自身を除く): 558250720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 157, 160, 172, 215, 314, 344, 359, 430, 628, 688, 718, 785, 860, 1256, 1376, 1436, 1570, 1720, 1795, 2512, 2872, 3140, 3440, 3590, 5024, 5744, 6280, 6751, 6880, 7180, 11488, 12560, 13502, 14360, 15437, 25120, 27004, 28720, 30874, 33755, 54008, 56363, 57440, 61748, 67510, 77185, 108016, 112726, 123496, 135020, 154370, 216032, 225452, 246992, 270040, 281815, 308740, 450904, 493984, 540080, 563630, 617480, 901808, 1080160, 1127260, 1234960, 1803616, 2254520, 2423609, 2469920, 4509040, 4847218, 9018080, 9694436, 12118045, 19388872, 24236090, 38777744, 48472180, 77555488, 96944360, 193888720, 387777440]

約数ペア:

[(1, 387777440), (2, 193888720), (4, 96944360), (5, 77555488), (8, 48472180), (10, 38777744), (16, 24236090), (20, 19388872), (32, 12118045), (40, 9694436), (43, 9018080), (80, 4847218), (86, 4509040), (157, 2469920), (160, 2423609), (172, 2254520), (215, 1803616), (314, 1234960), (344, 1127260), (359, 1080160), (430, 901808), (628, 617480), (688, 563630), (718, 540080), (785, 493984), (860, 450904), (1256, 308740), (1376, 281815), (1436, 270040), (1570, 246992), (1720, 225452), (1795, 216032), (2512, 154370), (2872, 135020), (3140, 123496), (3440, 112726), (3590, 108016), (5024, 77185), (5744, 67510), (6280, 61748), (6751, 57440), (6880, 56363), (7180, 54008), (11488, 33755), (12560, 30874), (13502, 28720), (14360, 27004), (15437, 25120)]