78231780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39511}}^1$

素因数の和:39537

約数の個数: 72

約数和(自身を含む): 258882624

約数和(自身を除く): 180650844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39511, 79022, 118533, 158044, 197555, 237066, 355599, 395110, 434621, 474132, 592665, 711198, 790220, 869242, 1185330, 1303863, 1422396, 1738484, 1777995, 2173105, 2370660, 2607726, 3555990, 3911589, 4346210, 5215452, 6519315, 7111980, 7823178, 8692420, 13038630, 15646356, 19557945, 26077260, 39115890, 78231780]

約数ペア:

[(1, 78231780), (2, 39115890), (3, 26077260), (4, 19557945), (5, 15646356), (6, 13038630), (9, 8692420), (10, 7823178), (11, 7111980), (12, 6519315), (15, 5215452), (18, 4346210), (20, 3911589), (22, 3555990), (30, 2607726), (33, 2370660), (36, 2173105), (44, 1777995), (45, 1738484), (55, 1422396), (60, 1303863), (66, 1185330), (90, 869242), (99, 790220), (110, 711198), (132, 592665), (165, 474132), (180, 434621), (198, 395110), (220, 355599), (330, 237066), (396, 197555), (495, 158044), (660, 118533), (990, 79022), (1980, 39511)]