198408780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1102271}}^1$

素因数の和:1102286

約数の個数: 36

約数和(自身を含む): 601840512

約数和(自身を除く): 403431732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1102271, 2204542, 3306813, 4409084, 5511355, 6613626, 9920439, 11022710, 13227252, 16534065, 19840878, 22045420, 33068130, 39681756, 49602195, 66136260, 99204390, 198408780]

約数ペア:

[(1, 198408780), (2, 99204390), (3, 66136260), (4, 49602195), (5, 39681756), (6, 33068130), (9, 22045420), (10, 19840878), (12, 16534065), (15, 13227252), (18, 11022710), (20, 9920439), (30, 6613626), (36, 5511355), (45, 4409084), (60, 3306813), (90, 2204542), (180, 1102271)]