311917620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25609}}^1$

素因数の和:25657

約数の個数: 96

約数和(自身を含む): 1032595200

約数和(自身を除く): 720677580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 12180, 25609, 51218, 76827, 102436, 128045, 153654, 179263, 256090, 307308, 358526, 384135, 512180, 537789, 717052, 742661, 768270, 896315, 1075578, 1485322, 1536540, 1792630, 2151156, 2227983, 2688945, 2970644, 3585260, 3713305, 4455966, 5198627, 5377890, 7426610, 8911932, 10397254, 10755780, 11139915, 14853220, 15595881, 20794508, 22279830, 25993135, 31191762, 44559660, 51986270, 62383524, 77979405, 103972540, 155958810, 311917620]

約数ペア:

[(1, 311917620), (2, 155958810), (3, 103972540), (4, 77979405), (5, 62383524), (6, 51986270), (7, 44559660), (10, 31191762), (12, 25993135), (14, 22279830), (15, 20794508), (20, 15595881), (21, 14853220), (28, 11139915), (29, 10755780), (30, 10397254), (35, 8911932), (42, 7426610), (58, 5377890), (60, 5198627), (70, 4455966), (84, 3713305), (87, 3585260), (105, 2970644), (116, 2688945), (140, 2227983), (145, 2151156), (174, 1792630), (203, 1536540), (210, 1485322), (290, 1075578), (348, 896315), (406, 768270), (420, 742661), (435, 717052), (580, 537789), (609, 512180), (812, 384135), (870, 358526), (1015, 307308), (1218, 256090), (1740, 179263), (2030, 153654), (2436, 128045), (3045, 102436), (4060, 76827), (6090, 51218), (12180, 25609)]