818306460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{74527}}^1$

素因数の和:74603

約数の個数: 72

約数和(自身を含む): 2522921856

約数和(自身を除く): 1704615396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 74527, 149054, 223581, 298108, 372635, 447162, 670743, 745270, 894324, 1117905, 1341486, 1490540, 2235810, 2682972, 3353715, 4471620, 4546147, 6707430, 9092294, 13414860, 13638441, 18184588, 22730735, 27276882, 40915323, 45461470, 54553764, 68192205, 81830646, 90922940, 136384410, 163661292, 204576615, 272768820, 409153230, 818306460]

約数ペア:

[(1, 818306460), (2, 409153230), (3, 272768820), (4, 204576615), (5, 163661292), (6, 136384410), (9, 90922940), (10, 81830646), (12, 68192205), (15, 54553764), (18, 45461470), (20, 40915323), (30, 27276882), (36, 22730735), (45, 18184588), (60, 13638441), (61, 13414860), (90, 9092294), (122, 6707430), (180, 4546147), (183, 4471620), (244, 3353715), (305, 2682972), (366, 2235810), (549, 1490540), (610, 1341486), (732, 1117905), (915, 894324), (1098, 745270), (1220, 670743), (1830, 447162), (2196, 372635), (2745, 298108), (3660, 223581), (5490, 149054), (10980, 74527)]