399289920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13417}}^1$

素因数の和:13468

約数の個数: 112

約数和(自身を含む): 1308738048

約数和(自身を除く): 909448128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 9920, 13417, 14880, 26834, 29760, 40251, 53668, 67085, 80502, 107336, 134170, 161004, 201255, 214672, 268340, 322008, 402510, 415927, 429344, 536680, 644016, 805020, 831854, 858688, 1073360, 1247781, 1288032, 1610040, 1663708, 2079635, 2146720, 2495562, 2576064, 3220080, 3327416, 4159270, 4293440, 4991124, 6238905, 6440160, 6654832, 8318540, 9982248, 12477810, 12880320, 13309664, 16637080, 19964496, 24955620, 26619328, 33274160, 39928992, 49911240, 66548320, 79857984, 99822480, 133096640, 199644960, 399289920]

約数ペア:

[(1, 399289920), (2, 199644960), (3, 133096640), (4, 99822480), (5, 79857984), (6, 66548320), (8, 49911240), (10, 39928992), (12, 33274160), (15, 26619328), (16, 24955620), (20, 19964496), (24, 16637080), (30, 13309664), (31, 12880320), (32, 12477810), (40, 9982248), (48, 8318540), (60, 6654832), (62, 6440160), (64, 6238905), (80, 4991124), (93, 4293440), (96, 4159270), (120, 3327416), (124, 3220080), (155, 2576064), (160, 2495562), (186, 2146720), (192, 2079635), (240, 1663708), (248, 1610040), (310, 1288032), (320, 1247781), (372, 1073360), (465, 858688), (480, 831854), (496, 805020), (620, 644016), (744, 536680), (930, 429344), (960, 415927), (992, 402510), (1240, 322008), (1488, 268340), (1860, 214672), (1984, 201255), (2480, 161004), (2976, 134170), (3720, 107336), (4960, 80502), (5952, 67085), (7440, 53668), (9920, 40251), (13417, 29760), (14880, 26834)]