72271920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43019}}^1$

素因数の和:43042

約数の個数: 80

約数和(自身を含む): 256055040

約数和(自身を除く): 183783120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43019, 86038, 129057, 172076, 215095, 258114, 301133, 344152, 430190, 516228, 602266, 645285, 688304, 860380, 903399, 1032456, 1204532, 1290570, 1505665, 1720760, 1806798, 2064912, 2409064, 2581140, 3011330, 3441520, 3613596, 4516995, 4818128, 5162280, 6022660, 7227192, 9033990, 10324560, 12045320, 14454384, 18067980, 24090640, 36135960, 72271920]

約数ペア:

[(1, 72271920), (2, 36135960), (3, 24090640), (4, 18067980), (5, 14454384), (6, 12045320), (7, 10324560), (8, 9033990), (10, 7227192), (12, 6022660), (14, 5162280), (15, 4818128), (16, 4516995), (20, 3613596), (21, 3441520), (24, 3011330), (28, 2581140), (30, 2409064), (35, 2064912), (40, 1806798), (42, 1720760), (48, 1505665), (56, 1290570), (60, 1204532), (70, 1032456), (80, 903399), (84, 860380), (105, 688304), (112, 645285), (120, 602266), (140, 516228), (168, 430190), (210, 344152), (240, 301133), (280, 258114), (336, 215095), (420, 172076), (560, 129057), (840, 86038), (1680, 43019)]