155460720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647753}}^1$

素因数の和:647769

約数の個数: 40

約数和(自身を含む): 481928976

約数和(自身を除く): 326468256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647753, 1295506, 1943259, 2591012, 3238765, 3886518, 5182024, 6477530, 7773036, 9716295, 10364048, 12955060, 15546072, 19432590, 25910120, 31092144, 38865180, 51820240, 77730360, 155460720]

約数ペア:

[(1, 155460720), (2, 77730360), (3, 51820240), (4, 38865180), (5, 31092144), (6, 25910120), (8, 19432590), (10, 15546072), (12, 12955060), (15, 10364048), (16, 9716295), (20, 7773036), (24, 6477530), (30, 5182024), (40, 3886518), (48, 3238765), (60, 2591012), (80, 1943259), (120, 1295506), (240, 647753)]