131616760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3361}}^1$

素因数の和:3472

約数の個数: 64

約数和(自身を含む): 326786400

約数和(自身を除く): 195169640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3361, 3560, 3916, 4895, 6722, 7832, 9790, 13444, 16805, 19580, 26888, 33610, 36971, 39160, 67220, 73942, 134440, 147884, 184855, 295768, 299129, 369710, 598258, 739420, 1196516, 1478840, 1495645, 2393032, 2991290, 3290419, 5982580, 6580838, 11965160, 13161676, 16452095, 26323352, 32904190, 65808380, 131616760]

約数ペア:

[(1, 131616760), (2, 65808380), (4, 32904190), (5, 26323352), (8, 16452095), (10, 13161676), (11, 11965160), (20, 6580838), (22, 5982580), (40, 3290419), (44, 2991290), (55, 2393032), (88, 1495645), (89, 1478840), (110, 1196516), (178, 739420), (220, 598258), (356, 369710), (440, 299129), (445, 295768), (712, 184855), (890, 147884), (979, 134440), (1780, 73942), (1958, 67220), (3361, 39160), (3560, 36971), (3916, 33610), (4895, 26888), (6722, 19580), (7832, 16805), (9790, 13444)]