72920320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5179}}^1$

素因数の和:5211

約数の個数: 72

約数和(自身を含む): 190582560

約数和(自身を除く): 117662240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5179, 7040, 10358, 14080, 20716, 25895, 41432, 51790, 56969, 82864, 103580, 113938, 165728, 207160, 227876, 284845, 331456, 414320, 455752, 569690, 662912, 828640, 911504, 1139380, 1325824, 1657280, 1823008, 2278760, 3314560, 3646016, 4557520, 6629120, 7292032, 9115040, 14584064, 18230080, 36460160, 72920320]

約数ペア:

[(1, 72920320), (2, 36460160), (4, 18230080), (5, 14584064), (8, 9115040), (10, 7292032), (11, 6629120), (16, 4557520), (20, 3646016), (22, 3314560), (32, 2278760), (40, 1823008), (44, 1657280), (55, 1325824), (64, 1139380), (80, 911504), (88, 828640), (110, 662912), (128, 569690), (160, 455752), (176, 414320), (220, 331456), (256, 284845), (320, 227876), (352, 207160), (440, 165728), (640, 113938), (704, 103580), (880, 82864), (1280, 56969), (1408, 51790), (1760, 41432), (2816, 25895), (3520, 20716), (5179, 14080), (7040, 10358)]