1243997820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{531623}}^1$

素因数の和:531651

約数の個数: 72

約数和(自身を含む): 4063733856

約数和(自身を除く): 2819736036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 531623, 1063246, 1594869, 2126492, 2658115, 3189738, 4784607, 5316230, 6379476, 6911099, 7974345, 9569214, 10632460, 13822198, 15948690, 19138428, 20733297, 23923035, 27644396, 31897380, 34555495, 41466594, 47846070, 62199891, 69110990, 82933188, 95692140, 103666485, 124399782, 138221980, 207332970, 248799564, 310999455, 414665940, 621998910, 1243997820]

約数ペア:

[(1, 1243997820), (2, 621998910), (3, 414665940), (4, 310999455), (5, 248799564), (6, 207332970), (9, 138221980), (10, 124399782), (12, 103666485), (13, 95692140), (15, 82933188), (18, 69110990), (20, 62199891), (26, 47846070), (30, 41466594), (36, 34555495), (39, 31897380), (45, 27644396), (52, 23923035), (60, 20733297), (65, 19138428), (78, 15948690), (90, 13822198), (117, 10632460), (130, 9569214), (156, 7974345), (180, 6911099), (195, 6379476), (234, 5316230), (260, 4784607), (390, 3189738), (468, 2658115), (585, 2126492), (780, 1594869), (1170, 1063246), (2340, 531623)]