78739440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25237}}^1$

素因数の和:25266

約数の個数: 80

約数和(自身を含む): 262879008

約数和(自身を除く): 184139568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25237, 50474, 75711, 100948, 126185, 151422, 201896, 252370, 302844, 328081, 378555, 403792, 504740, 605688, 656162, 757110, 984243, 1009480, 1211376, 1312324, 1514220, 1640405, 1968486, 2018960, 2624648, 3028440, 3280810, 3936972, 4921215, 5249296, 6056880, 6561620, 7873944, 9842430, 13123240, 15747888, 19684860, 26246480, 39369720, 78739440]

約数ペア:

[(1, 78739440), (2, 39369720), (3, 26246480), (4, 19684860), (5, 15747888), (6, 13123240), (8, 9842430), (10, 7873944), (12, 6561620), (13, 6056880), (15, 5249296), (16, 4921215), (20, 3936972), (24, 3280810), (26, 3028440), (30, 2624648), (39, 2018960), (40, 1968486), (48, 1640405), (52, 1514220), (60, 1312324), (65, 1211376), (78, 1009480), (80, 984243), (104, 757110), (120, 656162), (130, 605688), (156, 504740), (195, 403792), (208, 378555), (240, 328081), (260, 302844), (312, 252370), (390, 201896), (520, 151422), (624, 126185), (780, 100948), (1040, 75711), (1560, 50474), (3120, 25237)]