1645025920

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:730

約数の個数: 128

約数和(自身を含む): 4078172160

約数和(自身を除く): 2433146240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 127, 128, 148, 160, 185, 254, 296, 320, 370, 508, 547, 592, 635, 640, 740, 1016, 1094, 1184, 1270, 1480, 2032, 2188, 2368, 2540, 2735, 2960, 4064, 4376, 4699, 4736, 5080, 5470, 5920, 8128, 8752, 9398, 10160, 10940, 11840, 16256, 17504, 18796, 20239, 20320, 21880, 23495, 23680, 35008, 37592, 40478, 40640, 43760, 46990, 69469, 70016, 75184, 80956, 81280, 87520, 93980, 101195, 138938, 150368, 161912, 175040, 187960, 202390, 277876, 300736, 323824, 347345, 350080, 375920, 404780, 555752, 601472, 647648, 694690, 751840, 809560, 1111504, 1295296, 1389380, 1503680, 1619120, 2223008, 2570353, 2590592, 2778760, 3007360, 3238240, 4446016, 5140706, 5557520, 6476480, 8892032, 10281412, 11115040, 12851765, 12952960, 20562824, 22230080, 25703530, 41125648, 44460160, 51407060, 82251296, 102814120, 164502592, 205628240, 329005184, 411256480, 822512960, 1645025920]

約数ペア:

[(1, 1645025920), (2, 822512960), (4, 411256480), (5, 329005184), (8, 205628240), (10, 164502592), (16, 102814120), (20, 82251296), (32, 51407060), (37, 44460160), (40, 41125648), (64, 25703530), (74, 22230080), (80, 20562824), (127, 12952960), (128, 12851765), (148, 11115040), (160, 10281412), (185, 8892032), (254, 6476480), (296, 5557520), (320, 5140706), (370, 4446016), (508, 3238240), (547, 3007360), (592, 2778760), (635, 2590592), (640, 2570353), (740, 2223008), (1016, 1619120), (1094, 1503680), (1184, 1389380), (1270, 1295296), (1480, 1111504), (2032, 809560), (2188, 751840), (2368, 694690), (2540, 647648), (2735, 601472), (2960, 555752), (4064, 404780), (4376, 375920), (4699, 350080), (4736, 347345), (5080, 323824), (5470, 300736), (5920, 277876), (8128, 202390), (8752, 187960), (9398, 175040), (10160, 161912), (10940, 150368), (11840, 138938), (16256, 101195), (17504, 93980), (18796, 87520), (20239, 81280), (20320, 80956), (21880, 75184), (23495, 70016), (23680, 69469), (35008, 46990), (37592, 43760), (40478, 40640)]