163965780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82811}}^1$

素因数の和:82837

約数の個数: 72

約数和(自身を含む): 542584224

約数和(自身を除く): 378618444

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, 82811, 165622, 248433, 331244, 414055, 496866, 745299, 828110, 910921, 993732, 1242165, 1490598, 1656220, 1821842, 2484330, 2732763, 2981196, 3643684, 3726495, 4554605, 4968660, 5465526, 7452990, 8198289, 9109210, 10931052, 13663815, 14905980, 16396578, 18218420, 27327630, 32793156, 40991445, 54655260, 81982890, 163965780]

約数ペア:

[(1, 163965780), (2, 81982890), (3, 54655260), (4, 40991445), (5, 32793156), (6, 27327630), (9, 18218420), (10, 16396578), (11, 14905980), (12, 13663815), (15, 10931052), (18, 9109210), (20, 8198289), (22, 7452990), (30, 5465526), (33, 4968660), (36, 4554605), (44, 3726495), (45, 3643684), (55, 2981196), (60, 2732763), (66, 2484330), (90, 1821842), (99, 1656220), (110, 1490598), (132, 1242165), (165, 993732), (180, 910921), (198, 828110), (220, 745299), (330, 496866), (396, 414055), (495, 331244), (660, 248433), (990, 165622), (1980, 82811)]