2840321920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{261059}}^1$

素因数の和:261095

約数の個数: 64

約数和(自身を含む): 7189592400

約数和(自身を除く): 4349270480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 261059, 522118, 1044236, 1305295, 2088472, 2610590, 4176944, 4438003, 5221180, 8353888, 8876006, 10442360, 16707776, 17752012, 20884720, 22190015, 33415552, 35504024, 41769440, 44380030, 71008048, 83538880, 88760060, 142016096, 167077760, 177520120, 284032192, 355040240, 568064384, 710080480, 1420160960, 2840321920]

約数ペア:

[(1, 2840321920), (2, 1420160960), (4, 710080480), (5, 568064384), (8, 355040240), (10, 284032192), (16, 177520120), (17, 167077760), (20, 142016096), (32, 88760060), (34, 83538880), (40, 71008048), (64, 44380030), (68, 41769440), (80, 35504024), (85, 33415552), (128, 22190015), (136, 20884720), (160, 17752012), (170, 16707776), (272, 10442360), (320, 8876006), (340, 8353888), (544, 5221180), (640, 4438003), (680, 4176944), (1088, 2610590), (1360, 2088472), (2176, 1305295), (2720, 1044236), (5440, 522118), (10880, 261059)]