979640960

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21559}}^1$

素因数の和:21649

約数の個数: 64

約数和(自身を含む): 2375049600

約数和(自身を除く): 1395408640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 21559, 22720, 43118, 45440, 86236, 107795, 172472, 215590, 344944, 431180, 689888, 862360, 1379776, 1530689, 1724720, 2759552, 3061378, 3449440, 6122756, 6898880, 7653445, 12245512, 13797760, 15306890, 24491024, 30613780, 48982048, 61227560, 97964096, 122455120, 195928192, 244910240, 489820480, 979640960]

約数ペア:

[(1, 979640960), (2, 489820480), (4, 244910240), (5, 195928192), (8, 122455120), (10, 97964096), (16, 61227560), (20, 48982048), (32, 30613780), (40, 24491024), (64, 15306890), (71, 13797760), (80, 12245512), (128, 7653445), (142, 6898880), (160, 6122756), (284, 3449440), (320, 3061378), (355, 2759552), (568, 1724720), (640, 1530689), (710, 1379776), (1136, 862360), (1420, 689888), (2272, 431180), (2840, 344944), (4544, 215590), (5680, 172472), (9088, 107795), (11360, 86236), (21559, 45440), (22720, 43118)]