1330700720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{2797}}^1$

素因数の和:3142

約数の個数: 80

約数和(自身を含む): 3268287840

約数和(自身を除く): 1937587120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 313, 380, 626, 760, 1252, 1520, 1565, 2504, 2797, 3130, 5008, 5594, 5947, 6260, 11188, 11894, 12520, 13985, 22376, 23788, 25040, 27970, 29735, 44752, 47576, 53143, 55940, 59470, 95152, 106286, 111880, 118940, 212572, 223760, 237880, 265715, 425144, 475760, 531430, 850288, 875461, 1062860, 1750922, 2125720, 3501844, 4251440, 4377305, 7003688, 8754610, 14007376, 16633759, 17509220, 33267518, 35018440, 66535036, 70036880, 83168795, 133070072, 166337590, 266140144, 332675180, 665350360, 1330700720]

約数ペア:

[(1, 1330700720), (2, 665350360), (4, 332675180), (5, 266140144), (8, 166337590), (10, 133070072), (16, 83168795), (19, 70036880), (20, 66535036), (38, 35018440), (40, 33267518), (76, 17509220), (80, 16633759), (95, 14007376), (152, 8754610), (190, 7003688), (304, 4377305), (313, 4251440), (380, 3501844), (626, 2125720), (760, 1750922), (1252, 1062860), (1520, 875461), (1565, 850288), (2504, 531430), (2797, 475760), (3130, 425144), (5008, 265715), (5594, 237880), (5947, 223760), (6260, 212572), (11188, 118940), (11894, 111880), (12520, 106286), (13985, 95152), (22376, 59470), (23788, 55940), (25040, 53143), (27970, 47576), (29735, 44752)]