261630880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{233599}}^1$

素因数の和:233621

約数の個数: 48

約数和(自身を含む): 706406400

約数和(自身を除く): 444775520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 233599, 467198, 934396, 1167995, 1635193, 1868792, 2335990, 3270386, 3737584, 4671980, 6540772, 7475168, 8175965, 9343960, 13081544, 16351930, 18687920, 26163088, 32703860, 37375840, 52326176, 65407720, 130815440, 261630880]

約数ペア:

[(1, 261630880), (2, 130815440), (4, 65407720), (5, 52326176), (7, 37375840), (8, 32703860), (10, 26163088), (14, 18687920), (16, 16351930), (20, 13081544), (28, 9343960), (32, 8175965), (35, 7475168), (40, 6540772), (56, 4671980), (70, 3737584), (80, 3270386), (112, 2335990), (140, 1868792), (160, 1635193), (224, 1167995), (280, 934396), (560, 467198), (1120, 233599)]