161451290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^2$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 393289344

約数和(自身を除く): 231838054

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 127, 130, 143, 154, 182, 254, 286, 385, 455, 635, 715, 770, 889, 910, 1001, 1270, 1397, 1430, 1651, 1778, 2002, 2794, 3302, 4445, 5005, 6985, 8255, 8890, 9779, 10010, 11557, 13970, 16129, 16510, 18161, 19558, 23114, 32258, 36322, 48895, 57785, 80645, 90805, 97790, 112903, 115570, 127127, 161290, 177419, 181610, 209677, 225806, 254254, 354838, 419354, 564515, 635635, 887095, 1048385, 1129030, 1241933, 1271270, 1467739, 1774190, 2096770, 2306447, 2483866, 2935478, 4612894, 6209665, 7338695, 11532235, 12419330, 14677390, 16145129, 23064470, 32290258, 80725645, 161451290]

約数ペア:

[(1, 161451290), (2, 80725645), (5, 32290258), (7, 23064470), (10, 16145129), (11, 14677390), (13, 12419330), (14, 11532235), (22, 7338695), (26, 6209665), (35, 4612894), (55, 2935478), (65, 2483866), (70, 2306447), (77, 2096770), (91, 1774190), (110, 1467739), (127, 1271270), (130, 1241933), (143, 1129030), (154, 1048385), (182, 887095), (254, 635635), (286, 564515), (385, 419354), (455, 354838), (635, 254254), (715, 225806), (770, 209677), (889, 181610), (910, 177419), (1001, 161290), (1270, 127127), (1397, 115570), (1430, 112903), (1651, 97790), (1778, 90805), (2002, 80645), (2794, 57785), (3302, 48895), (4445, 36322), (5005, 32258), (6985, 23114), (8255, 19558), (8890, 18161), (9779, 16510), (10010, 16129), (11557, 13970)]