980968628480

素因数分解:

$2^8\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{705043}}^1$

素因数の和:706151

約数の個数: 72

約数和(自身を含む): 2351891415552

約数和(自身を除く): 1370922787072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1087, 1280, 2174, 4348, 5435, 8696, 10870, 17392, 21740, 34784, 43480, 69568, 86960, 139136, 173920, 278272, 347840, 695680, 705043, 1391360, 1410086, 2820172, 3525215, 5640344, 7050430, 11280688, 14100860, 22561376, 28201720, 45122752, 56403440, 90245504, 112806880, 180491008, 225613760, 451227520, 766381741, 902455040, 1532763482, 3065526964, 3831908705, 6131053928, 7663817410, 12262107856, 15327634820, 24524215712, 30655269640, 49048431424, 61310539280, 98096862848, 122621078560, 196193725696, 245242157120, 490484314240, 980968628480]

約数ペア:

[(1, 980968628480), (2, 490484314240), (4, 245242157120), (5, 196193725696), (8, 122621078560), (10, 98096862848), (16, 61310539280), (20, 49048431424), (32, 30655269640), (40, 24524215712), (64, 15327634820), (80, 12262107856), (128, 7663817410), (160, 6131053928), (256, 3831908705), (320, 3065526964), (640, 1532763482), (1087, 902455040), (1280, 766381741), (2174, 451227520), (4348, 225613760), (5435, 180491008), (8696, 112806880), (10870, 90245504), (17392, 56403440), (21740, 45122752), (34784, 28201720), (43480, 22561376), (69568, 14100860), (86960, 11280688), (139136, 7050430), (173920, 5640344), (278272, 3525215), (347840, 2820172), (695680, 1410086), (705043, 1391360)]