256436800

素因数分解:

$2^6\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1931}}^1$

素因数の和:2036

約数の個数: 84

約数和(自身を含む): 638927856

約数和(自身を除く): 382491056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 160, 166, 200, 320, 332, 400, 415, 664, 800, 830, 1328, 1600, 1660, 1931, 2075, 2656, 3320, 3862, 4150, 5312, 6640, 7724, 8300, 9655, 13280, 15448, 16600, 19310, 26560, 30896, 33200, 38620, 48275, 61792, 66400, 77240, 96550, 123584, 132800, 154480, 160273, 193100, 308960, 320546, 386200, 617920, 641092, 772400, 801365, 1282184, 1544800, 1602730, 2564368, 3089600, 3205460, 4006825, 5128736, 6410920, 8013650, 10257472, 12821840, 16027300, 25643680, 32054600, 51287360, 64109200, 128218400, 256436800]

約数ペア:

[(1, 256436800), (2, 128218400), (4, 64109200), (5, 51287360), (8, 32054600), (10, 25643680), (16, 16027300), (20, 12821840), (25, 10257472), (32, 8013650), (40, 6410920), (50, 5128736), (64, 4006825), (80, 3205460), (83, 3089600), (100, 2564368), (160, 1602730), (166, 1544800), (200, 1282184), (320, 801365), (332, 772400), (400, 641092), (415, 617920), (664, 386200), (800, 320546), (830, 308960), (1328, 193100), (1600, 160273), (1660, 154480), (1931, 132800), (2075, 123584), (2656, 96550), (3320, 77240), (3862, 66400), (4150, 61792), (5312, 48275), (6640, 38620), (7724, 33200), (8300, 30896), (9655, 26560), (13280, 19310), (15448, 16600)]