30978228080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1\times {\mathrm{8389}}^1$

素因数の和:9922

約数の個数: 80

約数和(自身を含む): 74406547200

約数和(自身を除く): 43428319120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1489, 2480, 2978, 5956, 7445, 8389, 11912, 14890, 16778, 23824, 29780, 33556, 41945, 46159, 59560, 67112, 83890, 92318, 119120, 134224, 167780, 184636, 230795, 260059, 335560, 369272, 461590, 520118, 671120, 738544, 923180, 1040236, 1300295, 1846360, 2080472, 2600590, 3692720, 4160944, 5201180, 10402360, 12491221, 20804720, 24982442, 49964884, 62456105, 99929768, 124912210, 199859536, 249824420, 387227851, 499648840, 774455702, 999297680, 1548911404, 1936139255, 3097822808, 3872278510, 6195645616, 7744557020, 15489114040, 30978228080]

約数ペア:

[(1, 30978228080), (2, 15489114040), (4, 7744557020), (5, 6195645616), (8, 3872278510), (10, 3097822808), (16, 1936139255), (20, 1548911404), (31, 999297680), (40, 774455702), (62, 499648840), (80, 387227851), (124, 249824420), (155, 199859536), (248, 124912210), (310, 99929768), (496, 62456105), (620, 49964884), (1240, 24982442), (1489, 20804720), (2480, 12491221), (2978, 10402360), (5956, 5201180), (7445, 4160944), (8389, 3692720), (11912, 2600590), (14890, 2080472), (16778, 1846360), (23824, 1300295), (29780, 1040236), (33556, 923180), (41945, 738544), (46159, 671120), (59560, 520118), (67112, 461590), (83890, 369272), (92318, 335560), (119120, 260059), (134224, 230795), (167780, 184636)]