28048440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33391}}^1$

素因数の和:33412

約数の個数: 64

約数和(自身を含む): 96168960

約数和(自身を除く): 68120520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33391, 66782, 100173, 133564, 166955, 200346, 233737, 267128, 333910, 400692, 467474, 500865, 667820, 701211, 801384, 934948, 1001730, 1168685, 1335640, 1402422, 1869896, 2003460, 2337370, 2804844, 3506055, 4006920, 4674740, 5609688, 7012110, 9349480, 14024220, 28048440]

約数ペア:

[(1, 28048440), (2, 14024220), (3, 9349480), (4, 7012110), (5, 5609688), (6, 4674740), (7, 4006920), (8, 3506055), (10, 2804844), (12, 2337370), (14, 2003460), (15, 1869896), (20, 1402422), (21, 1335640), (24, 1168685), (28, 1001730), (30, 934948), (35, 801384), (40, 701211), (42, 667820), (56, 500865), (60, 467474), (70, 400692), (84, 333910), (105, 267128), (120, 233737), (140, 200346), (168, 166955), (210, 133564), (280, 100173), (420, 66782), (840, 33391)]