181089180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1931}}^1$

素因数の和:2467

約数の個数: 72

約数和(自身を含む): 550643184

約数和(自身を除く): 369554004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 1931, 2084, 2605, 3126, 3862, 4689, 5210, 5793, 6252, 7724, 7815, 9378, 9655, 10420, 11586, 15630, 17379, 18756, 19310, 23172, 23445, 28965, 31260, 34758, 38620, 46890, 57930, 69516, 86895, 93780, 115860, 173790, 347580, 1006051, 2012102, 3018153, 4024204, 5030255, 6036306, 9054459, 10060510, 12072612, 15090765, 18108918, 20121020, 30181530, 36217836, 45272295, 60363060, 90544590, 181089180]

約数ペア:

[(1, 181089180), (2, 90544590), (3, 60363060), (4, 45272295), (5, 36217836), (6, 30181530), (9, 20121020), (10, 18108918), (12, 15090765), (15, 12072612), (18, 10060510), (20, 9054459), (30, 6036306), (36, 5030255), (45, 4024204), (60, 3018153), (90, 2012102), (180, 1006051), (521, 347580), (1042, 173790), (1563, 115860), (1931, 93780), (2084, 86895), (2605, 69516), (3126, 57930), (3862, 46890), (4689, 38620), (5210, 34758), (5793, 31260), (6252, 28965), (7724, 23445), (7815, 23172), (9378, 19310), (9655, 18756), (10420, 17379), (11586, 15630)]