71984080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 192559104

約数和(自身を除く): 120575024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 382, 560, 673, 764, 955, 1337, 1346, 1528, 1910, 2674, 2692, 3056, 3365, 3820, 4711, 5348, 5384, 6685, 6730, 7640, 9422, 10696, 10768, 13370, 13460, 15280, 18844, 21392, 23555, 26740, 26920, 37688, 47110, 53480, 53840, 75376, 94220, 106960, 128543, 188440, 257086, 376880, 514172, 642715, 899801, 1028344, 1285430, 1799602, 2056688, 2570860, 3599204, 4499005, 5141720, 7198408, 8998010, 10283440, 14396816, 17996020, 35992040, 71984080]

約数ペア:

[(1, 71984080), (2, 35992040), (4, 17996020), (5, 14396816), (7, 10283440), (8, 8998010), (10, 7198408), (14, 5141720), (16, 4499005), (20, 3599204), (28, 2570860), (35, 2056688), (40, 1799602), (56, 1285430), (70, 1028344), (80, 899801), (112, 642715), (140, 514172), (191, 376880), (280, 257086), (382, 188440), (560, 128543), (673, 106960), (764, 94220), (955, 75376), (1337, 53840), (1346, 53480), (1528, 47110), (1910, 37688), (2674, 26920), (2692, 26740), (3056, 23555), (3365, 21392), (3820, 18844), (4711, 15280), (5348, 13460), (5384, 13370), (6685, 10768), (6730, 10696), (7640, 9422)]