1181920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 2857680

約数和(自身を除く): 1675760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 89, 160, 166, 178, 332, 356, 415, 445, 664, 712, 830, 890, 1328, 1424, 1660, 1780, 2656, 2848, 3320, 3560, 6640, 7120, 7387, 13280, 14240, 14774, 29548, 36935, 59096, 73870, 118192, 147740, 236384, 295480, 590960, 1181920]

約数ペア:

[(1, 1181920), (2, 590960), (4, 295480), (5, 236384), (8, 147740), (10, 118192), (16, 73870), (20, 59096), (32, 36935), (40, 29548), (80, 14774), (83, 14240), (89, 13280), (160, 7387), (166, 7120), (178, 6640), (332, 3560), (356, 3320), (415, 2848), (445, 2656), (664, 1780), (712, 1660), (830, 1424), (890, 1328)]