261300720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1088753}}^1$

素因数の和:1088769

約数の個数: 40

約数和(自身を含む): 810032976

約数和(自身を除く): 548732256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1088753, 2177506, 3266259, 4355012, 5443765, 6532518, 8710024, 10887530, 13065036, 16331295, 17420048, 21775060, 26130072, 32662590, 43550120, 52260144, 65325180, 87100240, 130650360, 261300720]

約数ペア:

[(1, 261300720), (2, 130650360), (3, 87100240), (4, 65325180), (5, 52260144), (6, 43550120), (8, 32662590), (10, 26130072), (12, 21775060), (15, 17420048), (16, 16331295), (20, 13065036), (24, 10887530), (30, 8710024), (40, 6532518), (48, 5443765), (60, 4355012), (80, 3266259), (120, 2177506), (240, 1088753)]