649069520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1093

約数の個数: 160

約数和(自身を含む): 1785421440

約数和(自身を除く): 1136351920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 43, 44, 55, 68, 80, 85, 86, 88, 110, 136, 170, 172, 176, 187, 215, 220, 272, 340, 344, 374, 430, 440, 473, 680, 688, 731, 748, 860, 880, 935, 946, 1009, 1360, 1462, 1496, 1720, 1870, 1892, 2018, 2365, 2924, 2992, 3440, 3655, 3740, 3784, 4036, 4730, 5045, 5848, 7310, 7480, 7568, 8041, 8072, 9460, 10090, 11099, 11696, 14620, 14960, 16082, 16144, 17153, 18920, 20180, 22198, 29240, 32164, 34306, 37840, 40205, 40360, 43387, 44396, 55495, 58480, 64328, 68612, 80410, 80720, 85765, 86774, 88792, 110990, 128656, 137224, 160820, 171530, 173548, 177584, 188683, 216935, 221980, 274448, 321640, 343060, 347096, 377366, 433870, 443960, 477257, 643280, 686120, 694192, 737579, 754732, 867740, 887920, 943415, 954514, 1372240, 1475158, 1509464, 1735480, 1886830, 1909028, 2386285, 2950316, 3018928, 3470960, 3687895, 3773660, 3818056, 4772570, 5900632, 7375790, 7547320, 7636112, 8113369, 9545140, 11801264, 14751580, 15094640, 16226738, 19090280, 29503160, 32453476, 38180560, 40566845, 59006320, 64906952, 81133690, 129813904, 162267380, 324534760, 649069520]

約数ペア:

[(1, 649069520), (2, 324534760), (4, 162267380), (5, 129813904), (8, 81133690), (10, 64906952), (11, 59006320), (16, 40566845), (17, 38180560), (20, 32453476), (22, 29503160), (34, 19090280), (40, 16226738), (43, 15094640), (44, 14751580), (55, 11801264), (68, 9545140), (80, 8113369), (85, 7636112), (86, 7547320), (88, 7375790), (110, 5900632), (136, 4772570), (170, 3818056), (172, 3773660), (176, 3687895), (187, 3470960), (215, 3018928), (220, 2950316), (272, 2386285), (340, 1909028), (344, 1886830), (374, 1735480), (430, 1509464), (440, 1475158), (473, 1372240), (680, 954514), (688, 943415), (731, 887920), (748, 867740), (860, 754732), (880, 737579), (935, 694192), (946, 686120), (1009, 643280), (1360, 477257), (1462, 443960), (1496, 433870), (1720, 377366), (1870, 347096), (1892, 343060), (2018, 321640), (2365, 274448), (2924, 221980), (2992, 216935), (3440, 188683), (3655, 177584), (3740, 173548), (3784, 171530), (4036, 160820), (4730, 137224), (5045, 128656), (5848, 110990), (7310, 88792), (7480, 86774), (7568, 85765), (8041, 80720), (8072, 80410), (9460, 68612), (10090, 64328), (11099, 58480), (11696, 55495), (14620, 44396), (14960, 43387), (16082, 40360), (16144, 40205), (17153, 37840), (18920, 34306), (20180, 32164), (22198, 29240)]