56215320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{66923}}^1$

素因数の和:66944

約数の個数: 64

約数和(自身を含む): 192741120

約数和(自身を除く): 136525800

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, 66923, 133846, 200769, 267692, 334615, 401538, 468461, 535384, 669230, 803076, 936922, 1003845, 1338460, 1405383, 1606152, 1873844, 2007690, 2342305, 2676920, 2810766, 3747688, 4015380, 4684610, 5621532, 7026915, 8030760, 9369220, 11243064, 14053830, 18738440, 28107660, 56215320]

約数ペア:

[(1, 56215320), (2, 28107660), (3, 18738440), (4, 14053830), (5, 11243064), (6, 9369220), (7, 8030760), (8, 7026915), (10, 5621532), (12, 4684610), (14, 4015380), (15, 3747688), (20, 2810766), (21, 2676920), (24, 2342305), (28, 2007690), (30, 1873844), (35, 1606152), (40, 1405383), (42, 1338460), (56, 1003845), (60, 936922), (70, 803076), (84, 669230), (105, 535384), (120, 468461), (140, 401538), (168, 334615), (210, 267692), (280, 200769), (420, 133846), (840, 66923)]