181879804540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{195389}}^1$

素因数の和:195575

約数の個数: 96

約数和(自身を含む): 447740092800

約数和(自身を除く): 265860288260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 109, 122, 140, 218, 244, 305, 427, 436, 545, 610, 763, 854, 1090, 1220, 1526, 1708, 2135, 2180, 3052, 3815, 4270, 6649, 7630, 8540, 13298, 15260, 26596, 33245, 46543, 66490, 93086, 132980, 186172, 195389, 232715, 390778, 465430, 781556, 930860, 976945, 1367723, 1953890, 2735446, 3907780, 5470892, 6838615, 11918729, 13677230, 21297401, 23837458, 27354460, 42594802, 47674916, 59593645, 83431103, 85189604, 106487005, 119187290, 149081807, 166862206, 212974010, 238374580, 298163614, 333724412, 417155515, 425948020, 596327228, 745409035, 834311030, 1299141461, 1490818070, 1668622060, 2598282922, 2981636140, 5196565844, 6495707305, 9093990227, 12991414610, 18187980454, 25982829220, 36375960908, 45469951135, 90939902270, 181879804540]

約数ペア:

[(1, 181879804540), (2, 90939902270), (4, 45469951135), (5, 36375960908), (7, 25982829220), (10, 18187980454), (14, 12991414610), (20, 9093990227), (28, 6495707305), (35, 5196565844), (61, 2981636140), (70, 2598282922), (109, 1668622060), (122, 1490818070), (140, 1299141461), (218, 834311030), (244, 745409035), (305, 596327228), (427, 425948020), (436, 417155515), (545, 333724412), (610, 298163614), (763, 238374580), (854, 212974010), (1090, 166862206), (1220, 149081807), (1526, 119187290), (1708, 106487005), (2135, 85189604), (2180, 83431103), (3052, 59593645), (3815, 47674916), (4270, 42594802), (6649, 27354460), (7630, 23837458), (8540, 21297401), (13298, 13677230), (15260, 11918729), (26596, 6838615), (33245, 5470892), (46543, 3907780), (66490, 2735446), (93086, 1953890), (132980, 1367723), (186172, 976945), (195389, 930860), (232715, 781556), (390778, 465430)]