55271440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 147847680

約数和(自身を除く): 92576240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 431, 458, 560, 862, 916, 1145, 1603, 1724, 1832, 2155, 2290, 3017, 3206, 3448, 3664, 4310, 4580, 6034, 6412, 6896, 8015, 8620, 9160, 12068, 12824, 15085, 16030, 17240, 18320, 24136, 25648, 30170, 32060, 34480, 48272, 60340, 64120, 98699, 120680, 128240, 197398, 241360, 394796, 493495, 690893, 789592, 986990, 1381786, 1579184, 1973980, 2763572, 3454465, 3947960, 5527144, 6908930, 7895920, 11054288, 13817860, 27635720, 55271440]

約数ペア:

[(1, 55271440), (2, 27635720), (4, 13817860), (5, 11054288), (7, 7895920), (8, 6908930), (10, 5527144), (14, 3947960), (16, 3454465), (20, 2763572), (28, 1973980), (35, 1579184), (40, 1381786), (56, 986990), (70, 789592), (80, 690893), (112, 493495), (140, 394796), (229, 241360), (280, 197398), (431, 128240), (458, 120680), (560, 98699), (862, 64120), (916, 60340), (1145, 48272), (1603, 34480), (1724, 32060), (1832, 30170), (2155, 25648), (2290, 24136), (3017, 18320), (3206, 17240), (3448, 16030), (3664, 15085), (4310, 12824), (4580, 12068), (6034, 9160), (6412, 8620), (6896, 8015)]