87786880

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1879}}^1$

素因数の和:1971

約数の個数: 64

約数和(自身を含む): 212853600

約数和(自身を除く): 125066720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1460, 1879, 2336, 2920, 3758, 4672, 5840, 7516, 9344, 9395, 11680, 15032, 18790, 23360, 30064, 37580, 46720, 60128, 75160, 120256, 137167, 150320, 240512, 274334, 300640, 548668, 601280, 685835, 1097336, 1202560, 1371670, 2194672, 2743340, 4389344, 5486680, 8778688, 10973360, 17557376, 21946720, 43893440, 87786880]

約数ペア:

[(1, 87786880), (2, 43893440), (4, 21946720), (5, 17557376), (8, 10973360), (10, 8778688), (16, 5486680), (20, 4389344), (32, 2743340), (40, 2194672), (64, 1371670), (73, 1202560), (80, 1097336), (128, 685835), (146, 601280), (160, 548668), (292, 300640), (320, 274334), (365, 240512), (584, 150320), (640, 137167), (730, 120256), (1168, 75160), (1460, 60128), (1879, 46720), (2336, 37580), (2920, 30064), (3758, 23360), (4672, 18790), (5840, 15032), (7516, 11680), (9344, 9395)]