28894080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 93636000

約数和(自身を除く): 64741920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 149, 160, 192, 202, 240, 298, 303, 320, 384, 404, 447, 480, 505, 596, 606, 640, 745, 808, 894, 960, 1010, 1192, 1212, 1490, 1515, 1616, 1788, 1920, 2020, 2235, 2384, 2424, 2980, 3030, 3232, 3576, 4040, 4470, 4768, 4848, 5960, 6060, 6464, 7152, 8080, 8940, 9536, 9696, 11920, 12120, 12928, 14304, 15049, 16160, 17880, 19072, 19392, 23840, 24240, 28608, 30098, 32320, 35760, 38784, 45147, 47680, 48480, 57216, 60196, 64640, 71520, 75245, 90294, 95360, 96960, 120392, 143040, 150490, 180588, 193920, 225735, 240784, 286080, 300980, 361176, 451470, 481568, 601960, 722352, 902940, 963136, 1203920, 1444704, 1805880, 1926272, 2407840, 2889408, 3611760, 4815680, 5778816, 7223520, 9631360, 14447040, 28894080]

約数ペア:

[(1, 28894080), (2, 14447040), (3, 9631360), (4, 7223520), (5, 5778816), (6, 4815680), (8, 3611760), (10, 2889408), (12, 2407840), (15, 1926272), (16, 1805880), (20, 1444704), (24, 1203920), (30, 963136), (32, 902940), (40, 722352), (48, 601960), (60, 481568), (64, 451470), (80, 361176), (96, 300980), (101, 286080), (120, 240784), (128, 225735), (149, 193920), (160, 180588), (192, 150490), (202, 143040), (240, 120392), (298, 96960), (303, 95360), (320, 90294), (384, 75245), (404, 71520), (447, 64640), (480, 60196), (505, 57216), (596, 48480), (606, 47680), (640, 45147), (745, 38784), (808, 35760), (894, 32320), (960, 30098), (1010, 28608), (1192, 24240), (1212, 23840), (1490, 19392), (1515, 19072), (1616, 17880), (1788, 16160), (1920, 15049), (2020, 14304), (2235, 12928), (2384, 12120), (2424, 11920), (2980, 9696), (3030, 9536), (3232, 8940), (3576, 8080), (4040, 7152), (4470, 6464), (4768, 6060), (4848, 5960)]