54171280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 134009280

約数和(自身を除く): 79838000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 227, 304, 314, 380, 454, 628, 760, 785, 908, 1135, 1256, 1520, 1570, 1816, 2270, 2512, 2983, 3140, 3632, 4313, 4540, 5966, 6280, 8626, 9080, 11932, 12560, 14915, 17252, 18160, 21565, 23864, 29830, 34504, 35639, 43130, 47728, 59660, 69008, 71278, 86260, 119320, 142556, 172520, 178195, 238640, 285112, 345040, 356390, 570224, 677141, 712780, 1354282, 1425560, 2708564, 2851120, 3385705, 5417128, 6771410, 10834256, 13542820, 27085640, 54171280]

約数ペア:

[(1, 54171280), (2, 27085640), (4, 13542820), (5, 10834256), (8, 6771410), (10, 5417128), (16, 3385705), (19, 2851120), (20, 2708564), (38, 1425560), (40, 1354282), (76, 712780), (80, 677141), (95, 570224), (152, 356390), (157, 345040), (190, 285112), (227, 238640), (304, 178195), (314, 172520), (380, 142556), (454, 119320), (628, 86260), (760, 71278), (785, 69008), (908, 59660), (1135, 47728), (1256, 43130), (1520, 35639), (1570, 34504), (1816, 29830), (2270, 23864), (2512, 21565), (2983, 18160), (3140, 17252), (3632, 14915), (4313, 12560), (4540, 11932), (5966, 9080), (6280, 8626)]