1381985520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{8191}}^1$

素因数の和:8263

約数の個数: 160

約数和(自身を含む): 4632084480

約数和(自身を除く): 3250098960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 555, 570, 592, 703, 740, 760, 888, 912, 1110, 1140, 1406, 1480, 1520, 1776, 2109, 2220, 2280, 2812, 2960, 3515, 4218, 4440, 4560, 5624, 7030, 8191, 8436, 8880, 10545, 11248, 14060, 16382, 16872, 21090, 24573, 28120, 32764, 33744, 40955, 42180, 49146, 56240, 65528, 81910, 84360, 98292, 122865, 131056, 155629, 163820, 168720, 196584, 245730, 303067, 311258, 327640, 393168, 466887, 491460, 606134, 622516, 655280, 778145, 909201, 933774, 982920, 1212268, 1245032, 1515335, 1556290, 1818402, 1867548, 1965840, 2334435, 2424536, 2490064, 3030670, 3112580, 3636804, 3735096, 4546005, 4668870, 4849072, 5758273, 6061340, 6225160, 7273608, 7470192, 9092010, 9337740, 11516546, 12122680, 12450320, 14547216, 17274819, 18184020, 18675480, 23033092, 24245360, 28791365, 34549638, 36368040, 37350960, 46066184, 57582730, 69099276, 72736080, 86374095, 92132368, 115165460, 138198552, 172748190, 230330920, 276397104, 345496380, 460661840, 690992760, 1381985520]

約数ペア:

[(1, 1381985520), (2, 690992760), (3, 460661840), (4, 345496380), (5, 276397104), (6, 230330920), (8, 172748190), (10, 138198552), (12, 115165460), (15, 92132368), (16, 86374095), (19, 72736080), (20, 69099276), (24, 57582730), (30, 46066184), (37, 37350960), (38, 36368040), (40, 34549638), (48, 28791365), (57, 24245360), (60, 23033092), (74, 18675480), (76, 18184020), (80, 17274819), (95, 14547216), (111, 12450320), (114, 12122680), (120, 11516546), (148, 9337740), (152, 9092010), (185, 7470192), (190, 7273608), (222, 6225160), (228, 6061340), (240, 5758273), (285, 4849072), (296, 4668870), (304, 4546005), (370, 3735096), (380, 3636804), (444, 3112580), (456, 3030670), (555, 2490064), (570, 2424536), (592, 2334435), (703, 1965840), (740, 1867548), (760, 1818402), (888, 1556290), (912, 1515335), (1110, 1245032), (1140, 1212268), (1406, 982920), (1480, 933774), (1520, 909201), (1776, 778145), (2109, 655280), (2220, 622516), (2280, 606134), (2812, 491460), (2960, 466887), (3515, 393168), (4218, 327640), (4440, 311258), (4560, 303067), (5624, 245730), (7030, 196584), (8191, 168720), (8436, 163820), (8880, 155629), (10545, 131056), (11248, 122865), (14060, 98292), (16382, 84360), (16872, 81910), (21090, 65528), (24573, 56240), (28120, 49146), (32764, 42180), (33744, 40955)]