1670996840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{1109}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 3804192000

約数和(自身を除く): 2133195160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 271, 278, 542, 556, 695, 1084, 1109, 1112, 1355, 1390, 2168, 2218, 2710, 2780, 4436, 5420, 5545, 5560, 8872, 10840, 11090, 22180, 37669, 44360, 75338, 150676, 154151, 188345, 300539, 301352, 308302, 376690, 601078, 616604, 753380, 770755, 1202156, 1233208, 1502695, 1506760, 1541510, 2404312, 3005390, 3083020, 6010780, 6166040, 12021560, 41774921, 83549842, 167099684, 208874605, 334199368, 417749210, 835498420, 1670996840]

約数ペア:

[(1, 1670996840), (2, 835498420), (4, 417749210), (5, 334199368), (8, 208874605), (10, 167099684), (20, 83549842), (40, 41774921), (139, 12021560), (271, 6166040), (278, 6010780), (542, 3083020), (556, 3005390), (695, 2404312), (1084, 1541510), (1109, 1506760), (1112, 1502695), (1355, 1233208), (1390, 1202156), (2168, 770755), (2218, 753380), (2710, 616604), (2780, 601078), (4436, 376690), (5420, 308302), (5545, 301352), (5560, 300539), (8872, 188345), (10840, 154151), (11090, 150676), (22180, 75338), (37669, 44360)]