30816520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110059}}^1$

素因数の和:110077

約数の個数: 32

約数和(自身を含む): 79243200

約数和(自身を除く): 48426680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110059, 220118, 440236, 550295, 770413, 880472, 1100590, 1540826, 2201180, 3081652, 3852065, 4402360, 6163304, 7704130, 15408260, 30816520]

約数ペア:

[(1, 30816520), (2, 15408260), (4, 7704130), (5, 6163304), (7, 4402360), (8, 3852065), (10, 3081652), (14, 2201180), (20, 1540826), (28, 1100590), (35, 880472), (40, 770413), (56, 550295), (70, 440236), (140, 220118), (280, 110059)]