243218640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{144773}}^1$

素因数の和:144796

約数の個数: 80

約数和(自身を含む): 861694848

約数和(自身を除く): 618476208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 144773, 289546, 434319, 579092, 723865, 868638, 1013411, 1158184, 1447730, 1737276, 2026822, 2171595, 2316368, 2895460, 3040233, 3474552, 4053644, 4343190, 5067055, 5790920, 6080466, 6949104, 8107288, 8686380, 10134110, 11581840, 12160932, 15201165, 16214576, 17372760, 20268220, 24321864, 30402330, 34745520, 40536440, 48643728, 60804660, 81072880, 121609320, 243218640]

約数ペア:

[(1, 243218640), (2, 121609320), (3, 81072880), (4, 60804660), (5, 48643728), (6, 40536440), (7, 34745520), (8, 30402330), (10, 24321864), (12, 20268220), (14, 17372760), (15, 16214576), (16, 15201165), (20, 12160932), (21, 11581840), (24, 10134110), (28, 8686380), (30, 8107288), (35, 6949104), (40, 6080466), (42, 5790920), (48, 5067055), (56, 4343190), (60, 4053644), (70, 3474552), (80, 3040233), (84, 2895460), (105, 2316368), (112, 2171595), (120, 2026822), (140, 1737276), (168, 1447730), (210, 1158184), (240, 1013411), (280, 868638), (336, 723865), (420, 579092), (560, 434319), (840, 289546), (1680, 144773)]