27635720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 43903480

約数列:

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

約数ペア:

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