19716720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82153}}^1$

素因数の和:82169

約数の個数: 40

約数和(自身を含む): 61122576

約数和(自身を除く): 41405856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82153, 164306, 246459, 328612, 410765, 492918, 657224, 821530, 985836, 1232295, 1314448, 1643060, 1971672, 2464590, 3286120, 3943344, 4929180, 6572240, 9858360, 19716720]

約数ペア:

[(1, 19716720), (2, 9858360), (3, 6572240), (4, 4929180), (5, 3943344), (6, 3286120), (8, 2464590), (10, 1971672), (12, 1643060), (15, 1314448), (16, 1232295), (20, 985836), (24, 821530), (30, 657224), (40, 492918), (48, 410765), (60, 328612), (80, 246459), (120, 164306), (240, 82153)]