399319680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6709}}^1$

素因数の和:6762

約数の個数: 128

約数和(自身を含む): 1314086400

約数和(自身を除く): 914766720

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, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 6709, 7440, 9920, 11904, 13418, 14880, 19840, 20127, 26836, 29760, 33545, 40254, 53672, 59520, 67090, 80508, 100635, 107344, 134180, 161016, 201270, 207979, 214688, 268360, 322032, 402540, 415958, 429376, 536720, 623937, 644064, 805080, 831916, 858752, 1039895, 1073440, 1247874, 1288128, 1610160, 1663832, 2079790, 2146880, 2495748, 2576256, 3119685, 3220320, 3327664, 4159580, 4293760, 4991496, 6239370, 6440640, 6655328, 8319160, 9982992, 12478740, 12881280, 13310656, 16638320, 19965984, 24957480, 26621312, 33276640, 39931968, 49914960, 66553280, 79863936, 99829920, 133106560, 199659840, 399319680]

約数ペア:

[(1, 399319680), (2, 199659840), (3, 133106560), (4, 99829920), (5, 79863936), (6, 66553280), (8, 49914960), (10, 39931968), (12, 33276640), (15, 26621312), (16, 24957480), (20, 19965984), (24, 16638320), (30, 13310656), (31, 12881280), (32, 12478740), (40, 9982992), (48, 8319160), (60, 6655328), (62, 6440640), (64, 6239370), (80, 4991496), (93, 4293760), (96, 4159580), (120, 3327664), (124, 3220320), (128, 3119685), (155, 2576256), (160, 2495748), (186, 2146880), (192, 2079790), (240, 1663832), (248, 1610160), (310, 1288128), (320, 1247874), (372, 1073440), (384, 1039895), (465, 858752), (480, 831916), (496, 805080), (620, 644064), (640, 623937), (744, 536720), (930, 429376), (960, 415958), (992, 402540), (1240, 322032), (1488, 268360), (1860, 214688), (1920, 207979), (1984, 201270), (2480, 161016), (2976, 134180), (3720, 107344), (3968, 100635), (4960, 80508), (5952, 67090), (6709, 59520), (7440, 53672), (9920, 40254), (11904, 33545), (13418, 29760), (14880, 26836), (19840, 20127)]