71447560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 167454720

約数和(自身を除く): 96007160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 367, 620, 628, 734, 785, 1240, 1256, 1468, 1570, 1835, 2936, 3140, 3670, 4867, 6280, 7340, 9734, 11377, 14680, 19468, 22754, 24335, 38936, 45508, 48670, 56885, 57619, 91016, 97340, 113770, 115238, 194680, 227540, 230476, 288095, 455080, 460952, 576190, 1152380, 1786189, 2304760, 3572378, 7144756, 8930945, 14289512, 17861890, 35723780, 71447560]

約数ペア:

[(1, 71447560), (2, 35723780), (4, 17861890), (5, 14289512), (8, 8930945), (10, 7144756), (20, 3572378), (31, 2304760), (40, 1786189), (62, 1152380), (124, 576190), (155, 460952), (157, 455080), (248, 288095), (310, 230476), (314, 227540), (367, 194680), (620, 115238), (628, 113770), (734, 97340), (785, 91016), (1240, 57619), (1256, 56885), (1468, 48670), (1570, 45508), (1835, 38936), (2936, 24335), (3140, 22754), (3670, 19468), (4867, 14680), (6280, 11377), (7340, 9734)]