123025280

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{3923}}^1$

素因数の和:3956

約数の個数: 96

約数和(自身を含む): 342212040

約数和(自身を除く): 219186760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 3923, 4480, 6272, 7840, 7846, 15680, 15692, 19615, 27461, 31360, 31384, 39230, 54922, 62768, 78460, 109844, 125536, 137305, 156920, 192227, 219688, 251072, 274610, 313840, 384454, 439376, 502144, 549220, 627680, 768908, 878752, 961135, 1098440, 1255360, 1537816, 1757504, 1922270, 2196880, 2510720, 3075632, 3515008, 3844540, 4393760, 6151264, 7689080, 8787520, 12302528, 15378160, 17575040, 24605056, 30756320, 61512640, 123025280]

約数ペア:

[(1, 123025280), (2, 61512640), (4, 30756320), (5, 24605056), (7, 17575040), (8, 15378160), (10, 12302528), (14, 8787520), (16, 7689080), (20, 6151264), (28, 4393760), (32, 3844540), (35, 3515008), (40, 3075632), (49, 2510720), (56, 2196880), (64, 1922270), (70, 1757504), (80, 1537816), (98, 1255360), (112, 1098440), (128, 961135), (140, 878752), (160, 768908), (196, 627680), (224, 549220), (245, 502144), (280, 439376), (320, 384454), (392, 313840), (448, 274610), (490, 251072), (560, 219688), (640, 192227), (784, 156920), (896, 137305), (980, 125536), (1120, 109844), (1568, 78460), (1960, 62768), (2240, 54922), (3136, 39230), (3920, 31384), (3923, 31360), (4480, 27461), (6272, 19615), (7840, 15692), (7846, 15680)]