121445720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 319680000

約数和(自身を除く): 198234280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 73, 76, 88, 95, 110, 146, 152, 190, 199, 209, 220, 292, 365, 380, 398, 418, 440, 584, 730, 760, 796, 803, 836, 995, 1045, 1387, 1460, 1592, 1606, 1672, 1990, 2090, 2189, 2774, 2920, 3212, 3781, 3980, 4015, 4180, 4378, 5548, 6424, 6935, 7562, 7960, 8030, 8360, 8756, 10945, 11096, 13870, 14527, 15124, 15257, 16060, 17512, 18905, 21890, 27740, 29054, 30248, 30514, 32120, 37810, 41591, 43780, 55480, 58108, 61028, 72635, 75620, 76285, 83182, 87560, 116216, 122056, 145270, 151240, 152570, 159797, 166364, 207955, 276013, 290540, 305140, 319594, 332728, 415910, 552026, 581080, 610280, 639188, 798985, 831820, 1104052, 1278376, 1380065, 1597970, 1663640, 2208104, 2760130, 3036143, 3195940, 5520260, 6072286, 6391880, 11040520, 12144572, 15180715, 24289144, 30361430, 60722860, 121445720]

約数ペア:

[(1, 121445720), (2, 60722860), (4, 30361430), (5, 24289144), (8, 15180715), (10, 12144572), (11, 11040520), (19, 6391880), (20, 6072286), (22, 5520260), (38, 3195940), (40, 3036143), (44, 2760130), (55, 2208104), (73, 1663640), (76, 1597970), (88, 1380065), (95, 1278376), (110, 1104052), (146, 831820), (152, 798985), (190, 639188), (199, 610280), (209, 581080), (220, 552026), (292, 415910), (365, 332728), (380, 319594), (398, 305140), (418, 290540), (440, 276013), (584, 207955), (730, 166364), (760, 159797), (796, 152570), (803, 151240), (836, 145270), (995, 122056), (1045, 116216), (1387, 87560), (1460, 83182), (1592, 76285), (1606, 75620), (1672, 72635), (1990, 61028), (2090, 58108), (2189, 55480), (2774, 43780), (2920, 41591), (3212, 37810), (3781, 32120), (3980, 30514), (4015, 30248), (4180, 29054), (4378, 27740), (5548, 21890), (6424, 18905), (6935, 17512), (7562, 16060), (7960, 15257), (8030, 15124), (8360, 14527), (8756, 13870), (10945, 11096)]