61131664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 138116160

約数和(自身を除く): 76984496

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 101, 152, 176, 181, 202, 209, 304, 362, 404, 418, 724, 808, 836, 1111, 1448, 1616, 1672, 1919, 1991, 2222, 2896, 3344, 3439, 3838, 3982, 4444, 6878, 7676, 7964, 8888, 13756, 15352, 15928, 17776, 18281, 21109, 27512, 30704, 31856, 36562, 37829, 42218, 55024, 73124, 75658, 84436, 146248, 151316, 168872, 201091, 292496, 302632, 337744, 347339, 402182, 605264, 694678, 804364, 1389356, 1608728, 2778712, 3217456, 3820729, 5557424, 7641458, 15282916, 30565832, 61131664]

約数ペア:

[(1, 61131664), (2, 30565832), (4, 15282916), (8, 7641458), (11, 5557424), (16, 3820729), (19, 3217456), (22, 2778712), (38, 1608728), (44, 1389356), (76, 804364), (88, 694678), (101, 605264), (152, 402182), (176, 347339), (181, 337744), (202, 302632), (209, 292496), (304, 201091), (362, 168872), (404, 151316), (418, 146248), (724, 84436), (808, 75658), (836, 73124), (1111, 55024), (1448, 42218), (1616, 37829), (1672, 36562), (1919, 31856), (1991, 30704), (2222, 27512), (2896, 21109), (3344, 18281), (3439, 17776), (3838, 15928), (3982, 15352), (4444, 13756), (6878, 8888), (7676, 7964)]