220776720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{919903}}^1$

素因数の和:919919

約数の個数: 40

約数和(自身を含む): 684408576

約数和(自身を除く): 463631856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 919903, 1839806, 2759709, 3679612, 4599515, 5519418, 7359224, 9199030, 11038836, 13798545, 14718448, 18398060, 22077672, 27597090, 36796120, 44155344, 55194180, 73592240, 110388360, 220776720]

約数ペア:

[(1, 220776720), (2, 110388360), (3, 73592240), (4, 55194180), (5, 44155344), (6, 36796120), (8, 27597090), (10, 22077672), (12, 18398060), (15, 14718448), (16, 13798545), (20, 11038836), (24, 9199030), (30, 7359224), (40, 5519418), (48, 4599515), (60, 3679612), (80, 2759709), (120, 1839806), (240, 919903)]