1330321426780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{1579}}^1\times {\mathrm{11321}}^1$

素因数の和:13031

約数の個数: 72

約数和(自身を含む): 2842273521360

約数和(自身を除く): 1511952094580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1579, 3158, 3721, 6316, 7442, 7895, 11321, 14884, 15790, 18605, 22642, 31580, 37210, 45284, 56605, 74420, 96319, 113210, 192638, 226420, 385276, 481595, 690581, 963190, 1381162, 1926380, 2762324, 3452905, 5875459, 6905810, 11750918, 13811620, 17875859, 23501836, 29377295, 35751718, 42125441, 58754590, 71503436, 84250882, 89379295, 117509180, 168501764, 178758590, 210627205, 357517180, 421254410, 842508820, 1090427399, 2180854798, 4361709596, 5452136995, 10904273990, 21808547980, 66516071339, 133032142678, 266064285356, 332580356695, 665160713390, 1330321426780]

約数ペア:

[(1, 1330321426780), (2, 665160713390), (4, 332580356695), (5, 266064285356), (10, 133032142678), (20, 66516071339), (61, 21808547980), (122, 10904273990), (244, 5452136995), (305, 4361709596), (610, 2180854798), (1220, 1090427399), (1579, 842508820), (3158, 421254410), (3721, 357517180), (6316, 210627205), (7442, 178758590), (7895, 168501764), (11321, 117509180), (14884, 89379295), (15790, 84250882), (18605, 71503436), (22642, 58754590), (31580, 42125441), (37210, 35751718), (45284, 29377295), (56605, 23501836), (74420, 17875859), (96319, 13811620), (113210, 11750918), (192638, 6905810), (226420, 5875459), (385276, 3452905), (481595, 2762324), (690581, 1926380), (963190, 1381162)]