15420160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1749

約数の個数: 72

約数和(自身を含む): 42237216

約数和(自身を除く): 26817056

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, 560, 640, 896, 1120, 1280, 1721, 1792, 2240, 3442, 4480, 6884, 8605, 8960, 12047, 13768, 17210, 24094, 27536, 34420, 48188, 55072, 60235, 68840, 96376, 110144, 120470, 137680, 192752, 220288, 240940, 275360, 385504, 440576, 481880, 550720, 771008, 963760, 1101440, 1542016, 1927520, 2202880, 3084032, 3855040, 7710080, 15420160]

約数ペア:

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