845891440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{36587}}^1$

素因数の和:36634

約数の個数: 60

約数和(自身を含む): 2089247976

約数和(自身を除く): 1243356536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 11560, 23120, 36587, 73174, 146348, 182935, 292696, 365870, 585392, 621979, 731740, 1243958, 1463480, 2487916, 2926960, 3109895, 4975832, 6219790, 9951664, 10573643, 12439580, 21147286, 24879160, 42294572, 49758320, 52868215, 84589144, 105736430, 169178288, 211472860, 422945720, 845891440]

約数ペア:

[(1, 845891440), (2, 422945720), (4, 211472860), (5, 169178288), (8, 105736430), (10, 84589144), (16, 52868215), (17, 49758320), (20, 42294572), (34, 24879160), (40, 21147286), (68, 12439580), (80, 10573643), (85, 9951664), (136, 6219790), (170, 4975832), (272, 3109895), (289, 2926960), (340, 2487916), (578, 1463480), (680, 1243958), (1156, 731740), (1360, 621979), (1445, 585392), (2312, 365870), (2890, 292696), (4624, 182935), (5780, 146348), (11560, 73174), (23120, 36587)]