168285160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 385873920

約数和(自身を除く): 217588760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 157, 211, 254, 314, 422, 508, 628, 635, 785, 844, 1016, 1055, 1256, 1270, 1570, 1688, 2110, 2540, 3140, 4220, 5080, 6280, 8440, 19939, 26797, 33127, 39878, 53594, 66254, 79756, 99695, 107188, 132508, 133985, 159512, 165635, 199390, 214376, 265016, 267970, 331270, 398780, 535940, 662540, 797560, 1071880, 1325080, 4207129, 8414258, 16828516, 21035645, 33657032, 42071290, 84142580, 168285160]

約数ペア:

[(1, 168285160), (2, 84142580), (4, 42071290), (5, 33657032), (8, 21035645), (10, 16828516), (20, 8414258), (40, 4207129), (127, 1325080), (157, 1071880), (211, 797560), (254, 662540), (314, 535940), (422, 398780), (508, 331270), (628, 267970), (635, 265016), (785, 214376), (844, 199390), (1016, 165635), (1055, 159512), (1256, 133985), (1270, 132508), (1570, 107188), (1688, 99695), (2110, 79756), (2540, 66254), (3140, 53594), (4220, 39878), (5080, 33127), (6280, 26797), (8440, 19939)]