15565579840

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{797417}}^1$

素因数の和:797495

約数の個数: 56

約数和(自身を含む): 37673215992

約数和(自身を除く): 22107636152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 19520, 797417, 1594834, 3189668, 3987085, 6379336, 7974170, 12758672, 15948340, 25517344, 31896680, 48642437, 51034688, 63793360, 97284874, 127586720, 194569748, 243212185, 255173440, 389139496, 486424370, 778278992, 972848740, 1556557984, 1945697480, 3113115968, 3891394960, 7782789920, 15565579840]

約数ペア:

[(1, 15565579840), (2, 7782789920), (4, 3891394960), (5, 3113115968), (8, 1945697480), (10, 1556557984), (16, 972848740), (20, 778278992), (32, 486424370), (40, 389139496), (61, 255173440), (64, 243212185), (80, 194569748), (122, 127586720), (160, 97284874), (244, 63793360), (305, 51034688), (320, 48642437), (488, 31896680), (610, 25517344), (976, 15948340), (1220, 12758672), (1952, 7974170), (2440, 6379336), (3904, 3987085), (4880, 3189668), (9760, 1594834), (19520, 797417)]