121220320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4483}}^1$

素因数の和:4524

約数の個数: 72

約数和(自身を含む): 310176216

約数和(自身を除く): 188955896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 4483, 5408, 6760, 8966, 13520, 17932, 22415, 27040, 35864, 44830, 58279, 71728, 89660, 116558, 143456, 179320, 233116, 291395, 358640, 466232, 582790, 717280, 757627, 932464, 1165580, 1515254, 1864928, 2331160, 3030508, 3788135, 4662320, 6061016, 7576270, 9324640, 12122032, 15152540, 24244064, 30305080, 60610160, 121220320]

約数ペア:

[(1, 121220320), (2, 60610160), (4, 30305080), (5, 24244064), (8, 15152540), (10, 12122032), (13, 9324640), (16, 7576270), (20, 6061016), (26, 4662320), (32, 3788135), (40, 3030508), (52, 2331160), (65, 1864928), (80, 1515254), (104, 1165580), (130, 932464), (160, 757627), (169, 717280), (208, 582790), (260, 466232), (338, 358640), (416, 291395), (520, 233116), (676, 179320), (845, 143456), (1040, 116558), (1352, 89660), (1690, 71728), (2080, 58279), (2704, 44830), (3380, 35864), (4483, 27040), (5408, 22415), (6760, 17932), (8966, 13520)]