78606880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:842

約数の個数: 96

約数和(自身を含む): 206297280

約数和(自身を除く): 127690400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 80, 88, 110, 118, 160, 176, 220, 236, 295, 352, 440, 472, 590, 649, 757, 880, 944, 1180, 1298, 1514, 1760, 1888, 2360, 2596, 3028, 3245, 3785, 4720, 5192, 6056, 6490, 7570, 8327, 9440, 10384, 12112, 12980, 15140, 16654, 20768, 24224, 25960, 30280, 33308, 41635, 44663, 51920, 60560, 66616, 83270, 89326, 103840, 121120, 133232, 166540, 178652, 223315, 266464, 333080, 357304, 446630, 491293, 666160, 714608, 893260, 982586, 1332320, 1429216, 1786520, 1965172, 2456465, 3573040, 3930344, 4912930, 7146080, 7860688, 9825860, 15721376, 19651720, 39303440, 78606880]

約数ペア:

[(1, 78606880), (2, 39303440), (4, 19651720), (5, 15721376), (8, 9825860), (10, 7860688), (11, 7146080), (16, 4912930), (20, 3930344), (22, 3573040), (32, 2456465), (40, 1965172), (44, 1786520), (55, 1429216), (59, 1332320), (80, 982586), (88, 893260), (110, 714608), (118, 666160), (160, 491293), (176, 446630), (220, 357304), (236, 333080), (295, 266464), (352, 223315), (440, 178652), (472, 166540), (590, 133232), (649, 121120), (757, 103840), (880, 89326), (944, 83270), (1180, 66616), (1298, 60560), (1514, 51920), (1760, 44663), (1888, 41635), (2360, 33308), (2596, 30280), (3028, 25960), (3245, 24224), (3785, 20768), (4720, 16654), (5192, 15140), (6056, 12980), (6490, 12112), (7570, 10384), (8327, 9440)]