72457070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 158353920

約数和(自身を除く): 85896850

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 157, 190, 266, 314, 347, 665, 694, 785, 1099, 1330, 1570, 1735, 2198, 2429, 2983, 3470, 4858, 5495, 5966, 6593, 10990, 12145, 13186, 14915, 20881, 24290, 29830, 32965, 41762, 46151, 54479, 65930, 92302, 104405, 108958, 208810, 230755, 272395, 381353, 461510, 544790, 762706, 1035101, 1906765, 2070202, 3813530, 5175505, 7245707, 10351010, 14491414, 36228535, 72457070]

約数ペア:

[(1, 72457070), (2, 36228535), (5, 14491414), (7, 10351010), (10, 7245707), (14, 5175505), (19, 3813530), (35, 2070202), (38, 1906765), (70, 1035101), (95, 762706), (133, 544790), (157, 461510), (190, 381353), (266, 272395), (314, 230755), (347, 208810), (665, 108958), (694, 104405), (785, 92302), (1099, 65930), (1330, 54479), (1570, 46151), (1735, 41762), (2198, 32965), (2429, 29830), (2983, 24290), (3470, 20881), (4858, 14915), (5495, 13186), (5966, 12145), (6593, 10990)]