2015577990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{123731}}^1$

素因数の和:123925

約数の個数: 48

約数和(自身を含む): 5269498416

約数和(自身を除く): 3253920426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 5430, 8145, 16290, 123731, 247462, 371193, 618655, 742386, 1113579, 1237310, 1855965, 2227158, 3711930, 5567895, 11135790, 22395311, 44790622, 67185933, 111976555, 134371866, 201557799, 223953110, 335929665, 403115598, 671859330, 1007788995, 2015577990]

約数ペア:

[(1, 2015577990), (2, 1007788995), (3, 671859330), (5, 403115598), (6, 335929665), (9, 223953110), (10, 201557799), (15, 134371866), (18, 111976555), (30, 67185933), (45, 44790622), (90, 22395311), (181, 11135790), (362, 5567895), (543, 3711930), (905, 2227158), (1086, 1855965), (1629, 1237310), (1810, 1113579), (2715, 742386), (3258, 618655), (5430, 371193), (8145, 247462), (16290, 123731)]