157455280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 391046400

約数和(自身を除く): 233591120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1349, 1420, 1459, 1520, 2698, 2840, 2918, 5396, 5680, 5836, 6745, 7295, 10792, 11672, 13490, 14590, 21584, 23344, 26980, 27721, 29180, 53960, 55442, 58360, 103589, 107920, 110884, 116720, 138605, 207178, 221768, 277210, 414356, 443536, 517945, 554420, 828712, 1035890, 1108840, 1657424, 1968191, 2071780, 2217680, 3936382, 4143560, 7872764, 8287120, 9840955, 15745528, 19681910, 31491056, 39363820, 78727640, 157455280]

約数ペア:

[(1, 157455280), (2, 78727640), (4, 39363820), (5, 31491056), (8, 19681910), (10, 15745528), (16, 9840955), (19, 8287120), (20, 7872764), (38, 4143560), (40, 3936382), (71, 2217680), (76, 2071780), (80, 1968191), (95, 1657424), (142, 1108840), (152, 1035890), (190, 828712), (284, 554420), (304, 517945), (355, 443536), (380, 414356), (568, 277210), (710, 221768), (760, 207178), (1136, 138605), (1349, 116720), (1420, 110884), (1459, 107920), (1520, 103589), (2698, 58360), (2840, 55442), (2918, 53960), (5396, 29180), (5680, 27721), (5836, 26980), (6745, 23344), (7295, 21584), (10792, 14590), (11672, 13490)]