219859560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{610721}}^1$

素因数の和:610738

約数の個数: 48

約数和(自身を含む): 714544740

約数和(自身を除く): 494685180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 610721, 1221442, 1832163, 2442884, 3053605, 3664326, 4885768, 5496489, 6107210, 7328652, 9160815, 10992978, 12214420, 14657304, 18321630, 21985956, 24428840, 27482445, 36643260, 43971912, 54964890, 73286520, 109929780, 219859560]

約数ペア:

[(1, 219859560), (2, 109929780), (3, 73286520), (4, 54964890), (5, 43971912), (6, 36643260), (8, 27482445), (9, 24428840), (10, 21985956), (12, 18321630), (15, 14657304), (18, 12214420), (20, 10992978), (24, 9160815), (30, 7328652), (36, 6107210), (40, 5496489), (45, 4885768), (60, 3664326), (72, 3053605), (90, 2442884), (120, 1832163), (180, 1221442), (360, 610721)]