145531760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2803}}^1$

素因数の和:2886

約数の個数: 80

約数和(自身を含む): 375511680

約数和(自身を除く): 229979920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 2360, 2596, 2803, 3245, 4720, 5192, 5606, 6490, 10384, 11212, 12980, 14015, 22424, 25960, 28030, 30833, 44848, 51920, 56060, 61666, 112120, 123332, 154165, 165377, 224240, 246664, 308330, 330754, 493328, 616660, 661508, 826885, 1233320, 1323016, 1653770, 1819147, 2466640, 2646032, 3307540, 3638294, 6615080, 7276588, 9095735, 13230160, 14553176, 18191470, 29106352, 36382940, 72765880, 145531760]

約数ペア:

[(1, 145531760), (2, 72765880), (4, 36382940), (5, 29106352), (8, 18191470), (10, 14553176), (11, 13230160), (16, 9095735), (20, 7276588), (22, 6615080), (40, 3638294), (44, 3307540), (55, 2646032), (59, 2466640), (80, 1819147), (88, 1653770), (110, 1323016), (118, 1233320), (176, 826885), (220, 661508), (236, 616660), (295, 493328), (440, 330754), (472, 308330), (590, 246664), (649, 224240), (880, 165377), (944, 154165), (1180, 123332), (1298, 112120), (2360, 61666), (2596, 56060), (2803, 51920), (3245, 44848), (4720, 30833), (5192, 28030), (5606, 25960), (6490, 22424), (10384, 14015), (11212, 12980)]