1269180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 4206384

約数和(自身を除く): 2937204

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, 641, 660, 990, 1282, 1923, 1980, 2564, 3205, 3846, 5769, 6410, 7051, 7692, 9615, 11538, 12820, 14102, 19230, 21153, 23076, 28204, 28845, 35255, 38460, 42306, 57690, 63459, 70510, 84612, 105765, 115380, 126918, 141020, 211530, 253836, 317295, 423060, 634590, 1269180]

約数ペア:

[(1, 1269180), (2, 634590), (3, 423060), (4, 317295), (5, 253836), (6, 211530), (9, 141020), (10, 126918), (11, 115380), (12, 105765), (15, 84612), (18, 70510), (20, 63459), (22, 57690), (30, 42306), (33, 38460), (36, 35255), (44, 28845), (45, 28204), (55, 23076), (60, 21153), (66, 19230), (90, 14102), (99, 12820), (110, 11538), (132, 9615), (165, 7692), (180, 7051), (198, 6410), (220, 5769), (330, 3846), (396, 3205), (495, 2564), (641, 1980), (660, 1923), (990, 1282)]