18420720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{76753}}^1$

素因数の和:76769

約数の個数: 40

約数和(自身を含む): 57104976

約数和(自身を除く): 38684256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 76753, 153506, 230259, 307012, 383765, 460518, 614024, 767530, 921036, 1151295, 1228048, 1535060, 1842072, 2302590, 3070120, 3684144, 4605180, 6140240, 9210360, 18420720]

約数ペア:

[(1, 18420720), (2, 9210360), (3, 6140240), (4, 4605180), (5, 3684144), (6, 3070120), (8, 2302590), (10, 1842072), (12, 1535060), (15, 1228048), (16, 1151295), (20, 921036), (24, 767530), (30, 614024), (40, 460518), (48, 383765), (60, 307012), (80, 230259), (120, 153506), (240, 76753)]