170620120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4357}}^1$

素因数の和:4468

約数の個数: 64

約数和(自身を含む): 423597600

約数和(自身を除く): 252977480

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, 3560, 3916, 4357, 4895, 7832, 8714, 9790, 17428, 19580, 21785, 34856, 39160, 43570, 47927, 87140, 95854, 174280, 191708, 239635, 383416, 387773, 479270, 775546, 958540, 1551092, 1917080, 1938865, 3102184, 3877730, 4265503, 7755460, 8531006, 15510920, 17062012, 21327515, 34124024, 42655030, 85310060, 170620120]

約数ペア:

[(1, 170620120), (2, 85310060), (4, 42655030), (5, 34124024), (8, 21327515), (10, 17062012), (11, 15510920), (20, 8531006), (22, 7755460), (40, 4265503), (44, 3877730), (55, 3102184), (88, 1938865), (89, 1917080), (110, 1551092), (178, 958540), (220, 775546), (356, 479270), (440, 387773), (445, 383416), (712, 239635), (890, 191708), (979, 174280), (1780, 95854), (1958, 87140), (3560, 47927), (3916, 43570), (4357, 39160), (4895, 34856), (7832, 21785), (8714, 19580), (9790, 17428)]