263120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 80

約数和(自身を含む): 749952

約数和(自身を除く): 486832

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 80, 88, 92, 104, 110, 115, 130, 143, 176, 184, 208, 220, 230, 253, 260, 286, 299, 368, 440, 460, 506, 520, 572, 598, 715, 880, 920, 1012, 1040, 1144, 1196, 1265, 1430, 1495, 1840, 2024, 2288, 2392, 2530, 2860, 2990, 3289, 4048, 4784, 5060, 5720, 5980, 6578, 10120, 11440, 11960, 13156, 16445, 20240, 23920, 26312, 32890, 52624, 65780, 131560, 263120]

約数ペア:

[(1, 263120), (2, 131560), (4, 65780), (5, 52624), (8, 32890), (10, 26312), (11, 23920), (13, 20240), (16, 16445), (20, 13156), (22, 11960), (23, 11440), (26, 10120), (40, 6578), (44, 5980), (46, 5720), (52, 5060), (55, 4784), (65, 4048), (80, 3289), (88, 2990), (92, 2860), (104, 2530), (110, 2392), (115, 2288), (130, 2024), (143, 1840), (176, 1495), (184, 1430), (208, 1265), (220, 1196), (230, 1144), (253, 1040), (260, 1012), (286, 920), (299, 880), (368, 715), (440, 598), (460, 572), (506, 520)]