121417520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1558

約数の個数: 80

約数和(自身を含む): 324913728

約数和(自身を除く): 203496208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1381, 1570, 2198, 2512, 2762, 3140, 4396, 5495, 5524, 6280, 6905, 8792, 9667, 10990, 11048, 12560, 13810, 17584, 19334, 21980, 22096, 27620, 38668, 43960, 48335, 55240, 77336, 87920, 96670, 110480, 154672, 193340, 216817, 386680, 433634, 773360, 867268, 1084085, 1517719, 1734536, 2168170, 3035438, 3469072, 4336340, 6070876, 7588595, 8672680, 12141752, 15177190, 17345360, 24283504, 30354380, 60708760, 121417520]

約数ペア:

[(1, 121417520), (2, 60708760), (4, 30354380), (5, 24283504), (7, 17345360), (8, 15177190), (10, 12141752), (14, 8672680), (16, 7588595), (20, 6070876), (28, 4336340), (35, 3469072), (40, 3035438), (56, 2168170), (70, 1734536), (80, 1517719), (112, 1084085), (140, 867268), (157, 773360), (280, 433634), (314, 386680), (560, 216817), (628, 193340), (785, 154672), (1099, 110480), (1256, 96670), (1381, 87920), (1570, 77336), (2198, 55240), (2512, 48335), (2762, 43960), (3140, 38668), (4396, 27620), (5495, 22096), (5524, 21980), (6280, 19334), (6905, 17584), (8792, 13810), (9667, 12560), (10990, 11048)]