2051572140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1120

約数の個数: 144

約数和(自身を含む): 6393362976

約数和(自身を除く): 4341790836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 401, 430, 516, 645, 661, 774, 802, 860, 1203, 1290, 1322, 1548, 1604, 1935, 1983, 2005, 2406, 2580, 2644, 3305, 3609, 3870, 3966, 4010, 4812, 5949, 6015, 6610, 7218, 7740, 7932, 8020, 9915, 11898, 12030, 13220, 14436, 17243, 18045, 19830, 23796, 24060, 28423, 29745, 34486, 36090, 39660, 51729, 56846, 59490, 68972, 72180, 85269, 86215, 103458, 113692, 118980, 142115, 155187, 170538, 172430, 206916, 255807, 258645, 265061, 284230, 310374, 341076, 344860, 426345, 511614, 517290, 530122, 568460, 620748, 775935, 795183, 852690, 1023228, 1034580, 1060244, 1279035, 1325305, 1551870, 1590366, 1705380, 2385549, 2558070, 2650610, 3103740, 3180732, 3975915, 4771098, 5116140, 5301220, 7951830, 9542196, 11397623, 11927745, 15903660, 22795246, 23855490, 34192869, 45590492, 47710980, 56988115, 68385738, 102578607, 113976230, 136771476, 170964345, 205157214, 227952460, 341928690, 410314428, 512893035, 683857380, 1025786070, 2051572140]

約数ペア:

[(1, 2051572140), (2, 1025786070), (3, 683857380), (4, 512893035), (5, 410314428), (6, 341928690), (9, 227952460), (10, 205157214), (12, 170964345), (15, 136771476), (18, 113976230), (20, 102578607), (30, 68385738), (36, 56988115), (43, 47710980), (45, 45590492), (60, 34192869), (86, 23855490), (90, 22795246), (129, 15903660), (172, 11927745), (180, 11397623), (215, 9542196), (258, 7951830), (387, 5301220), (401, 5116140), (430, 4771098), (516, 3975915), (645, 3180732), (661, 3103740), (774, 2650610), (802, 2558070), (860, 2385549), (1203, 1705380), (1290, 1590366), (1322, 1551870), (1548, 1325305), (1604, 1279035), (1935, 1060244), (1983, 1034580), (2005, 1023228), (2406, 852690), (2580, 795183), (2644, 775935), (3305, 620748), (3609, 568460), (3870, 530122), (3966, 517290), (4010, 511614), (4812, 426345), (5949, 344860), (6015, 341076), (6610, 310374), (7218, 284230), (7740, 265061), (7932, 258645), (8020, 255807), (9915, 206916), (11898, 172430), (12030, 170538), (13220, 155187), (14436, 142115), (17243, 118980), (18045, 113692), (19830, 103458), (23796, 86215), (24060, 85269), (28423, 72180), (29745, 68972), (34486, 59490), (36090, 56846), (39660, 51729)]