9641720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 25077600

約数和(自身を除く): 15435880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1289, 1496, 1870, 2578, 3740, 5156, 6445, 7480, 10312, 12890, 14179, 21913, 25780, 28358, 43826, 51560, 56716, 70895, 87652, 109565, 113432, 141790, 175304, 219130, 241043, 283580, 438260, 482086, 567160, 876520, 964172, 1205215, 1928344, 2410430, 4820860, 9641720]

約数ペア:

[(1, 9641720), (2, 4820860), (4, 2410430), (5, 1928344), (8, 1205215), (10, 964172), (11, 876520), (17, 567160), (20, 482086), (22, 438260), (34, 283580), (40, 241043), (44, 219130), (55, 175304), (68, 141790), (85, 113432), (88, 109565), (110, 87652), (136, 70895), (170, 56716), (187, 51560), (220, 43826), (340, 28358), (374, 25780), (440, 21913), (680, 14179), (748, 12890), (935, 10312), (1289, 7480), (1496, 6445), (1870, 5156), (2578, 3740)]