30840320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1751

約数の個数: 80

約数和(自身を含む): 84557088

約数和(自身を除く): 53716768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1721, 1792, 2240, 2560, 3442, 3584, 4480, 6884, 8605, 8960, 12047, 13768, 17210, 17920, 24094, 27536, 34420, 48188, 55072, 60235, 68840, 96376, 110144, 120470, 137680, 192752, 220288, 240940, 275360, 385504, 440576, 481880, 550720, 771008, 881152, 963760, 1101440, 1542016, 1927520, 2202880, 3084032, 3855040, 4405760, 6168064, 7710080, 15420160, 30840320]

約数ペア:

[(1, 30840320), (2, 15420160), (4, 7710080), (5, 6168064), (7, 4405760), (8, 3855040), (10, 3084032), (14, 2202880), (16, 1927520), (20, 1542016), (28, 1101440), (32, 963760), (35, 881152), (40, 771008), (56, 550720), (64, 481880), (70, 440576), (80, 385504), (112, 275360), (128, 240940), (140, 220288), (160, 192752), (224, 137680), (256, 120470), (280, 110144), (320, 96376), (448, 68840), (512, 60235), (560, 55072), (640, 48188), (896, 34420), (1120, 27536), (1280, 24094), (1721, 17920), (1792, 17210), (2240, 13768), (2560, 12047), (3442, 8960), (3584, 8605), (4480, 6884)]