387777280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27541}}^1$

素因数の和:27573

約数の個数: 72

約数和(自身を含む): 1013325264

約数和(自身を除く): 625547984

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, 7040, 14080, 27541, 55082, 110164, 137705, 220328, 275410, 302951, 440656, 550820, 605902, 881312, 1101640, 1211804, 1514755, 1762624, 2203280, 2423608, 3029510, 3525248, 4406560, 4847216, 6059020, 7050496, 8813120, 9694432, 12118040, 17626240, 19388864, 24236080, 35252480, 38777728, 48472160, 77555456, 96944320, 193888640, 387777280]

約数ペア:

[(1, 387777280), (2, 193888640), (4, 96944320), (5, 77555456), (8, 48472160), (10, 38777728), (11, 35252480), (16, 24236080), (20, 19388864), (22, 17626240), (32, 12118040), (40, 9694432), (44, 8813120), (55, 7050496), (64, 6059020), (80, 4847216), (88, 4406560), (110, 3525248), (128, 3029510), (160, 2423608), (176, 2203280), (220, 1762624), (256, 1514755), (320, 1211804), (352, 1101640), (440, 881312), (640, 605902), (704, 550820), (880, 440656), (1280, 302951), (1408, 275410), (1760, 220328), (2816, 137705), (3520, 110164), (7040, 55082), (14080, 27541)]