164253840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2663}}^1$

素因数の和:2936

約数の個数: 80

約数和(自身を含む): 511360128

約数和(自身を除く): 347106288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 2663, 3084, 3855, 4112, 5140, 5326, 6168, 7710, 7989, 10280, 10652, 12336, 13315, 15420, 15978, 20560, 21304, 26630, 30840, 31956, 39945, 42608, 53260, 61680, 63912, 79890, 106520, 127824, 159780, 213040, 319560, 639120, 684391, 1368782, 2053173, 2737564, 3421955, 4106346, 5475128, 6843910, 8212692, 10265865, 10950256, 13687820, 16425384, 20531730, 27375640, 32850768, 41063460, 54751280, 82126920, 164253840]

約数ペア:

[(1, 164253840), (2, 82126920), (3, 54751280), (4, 41063460), (5, 32850768), (6, 27375640), (8, 20531730), (10, 16425384), (12, 13687820), (15, 10950256), (16, 10265865), (20, 8212692), (24, 6843910), (30, 5475128), (40, 4106346), (48, 3421955), (60, 2737564), (80, 2053173), (120, 1368782), (240, 684391), (257, 639120), (514, 319560), (771, 213040), (1028, 159780), (1285, 127824), (1542, 106520), (2056, 79890), (2570, 63912), (2663, 61680), (3084, 53260), (3855, 42608), (4112, 39945), (5140, 31956), (5326, 30840), (6168, 26630), (7710, 21304), (7989, 20560), (10280, 15978), (10652, 15420), (12336, 13315)]