11517520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 31033728

約数和(自身を除く): 19516208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 157, 262, 280, 314, 524, 560, 628, 655, 785, 917, 1048, 1099, 1256, 1310, 1570, 1834, 2096, 2198, 2512, 2620, 3140, 3668, 4396, 4585, 5240, 5495, 6280, 7336, 8792, 9170, 10480, 10990, 12560, 14672, 17584, 18340, 20567, 21980, 36680, 41134, 43960, 73360, 82268, 87920, 102835, 143969, 164536, 205670, 287938, 329072, 411340, 575876, 719845, 822680, 1151752, 1439690, 1645360, 2303504, 2879380, 5758760, 11517520]

約数ペア:

[(1, 11517520), (2, 5758760), (4, 2879380), (5, 2303504), (7, 1645360), (8, 1439690), (10, 1151752), (14, 822680), (16, 719845), (20, 575876), (28, 411340), (35, 329072), (40, 287938), (56, 205670), (70, 164536), (80, 143969), (112, 102835), (131, 87920), (140, 82268), (157, 73360), (262, 43960), (280, 41134), (314, 36680), (524, 21980), (560, 20567), (628, 18340), (655, 17584), (785, 14672), (917, 12560), (1048, 10990), (1099, 10480), (1256, 9170), (1310, 8792), (1570, 7336), (1834, 6280), (2096, 5495), (2198, 5240), (2512, 4585), (2620, 4396), (3140, 3668)]