81327510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 158173290

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 139, 165, 197, 198, 270, 278, 297, 330, 394, 417, 495, 591, 594, 695, 834, 985, 990, 1182, 1251, 1390, 1485, 1529, 1773, 1970, 2085, 2167, 2502, 2955, 2970, 3058, 3546, 3753, 4170, 4334, 4587, 5319, 5910, 6255, 6501, 7506, 7645, 8865, 9174, 10638, 10835, 12510, 13002, 13761, 15290, 17730, 18765, 19503, 21670, 22935, 26595, 27383, 27522, 32505, 37530, 39006, 41283, 45870, 53190, 54766, 58509, 65010, 68805, 82149, 82566, 97515, 117018, 136915, 137610, 164298, 195030, 206415, 246447, 273830, 292545, 301213, 410745, 412830, 492894, 585090, 602426, 739341, 821490, 903639, 1232235, 1478682, 1506065, 1807278, 2464470, 2710917, 3012130, 3696705, 4518195, 5421834, 7393410, 8132751, 9036390, 13554585, 16265502, 27109170, 40663755, 81327510]

約数ペア:

[(1, 81327510), (2, 40663755), (3, 27109170), (5, 16265502), (6, 13554585), (9, 9036390), (10, 8132751), (11, 7393410), (15, 5421834), (18, 4518195), (22, 3696705), (27, 3012130), (30, 2710917), (33, 2464470), (45, 1807278), (54, 1506065), (55, 1478682), (66, 1232235), (90, 903639), (99, 821490), (110, 739341), (135, 602426), (139, 585090), (165, 492894), (197, 412830), (198, 410745), (270, 301213), (278, 292545), (297, 273830), (330, 246447), (394, 206415), (417, 195030), (495, 164298), (591, 137610), (594, 136915), (695, 117018), (834, 97515), (985, 82566), (990, 82149), (1182, 68805), (1251, 65010), (1390, 58509), (1485, 54766), (1529, 53190), (1773, 45870), (1970, 41283), (2085, 39006), (2167, 37530), (2502, 32505), (2955, 27522), (2970, 27383), (3058, 26595), (3546, 22935), (3753, 21670), (4170, 19503), (4334, 18765), (4587, 17730), (5319, 15290), (5910, 13761), (6255, 13002), (6501, 12510), (7506, 10835), (7645, 10638), (8865, 9174)]