9871980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4013}}^1$

素因数の和:4066

約数の個数: 48

約数和(自身を含む): 28322784

約数和(自身を除く): 18450804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 4013, 8026, 12039, 16052, 20065, 24078, 40130, 48156, 60195, 80260, 120390, 164533, 240780, 329066, 493599, 658132, 822665, 987198, 1645330, 1974396, 2467995, 3290660, 4935990, 9871980]

約数ペア:

[(1, 9871980), (2, 4935990), (3, 3290660), (4, 2467995), (5, 1974396), (6, 1645330), (10, 987198), (12, 822665), (15, 658132), (20, 493599), (30, 329066), (41, 240780), (60, 164533), (82, 120390), (123, 80260), (164, 60195), (205, 48156), (246, 40130), (410, 24078), (492, 20065), (615, 16052), (820, 12039), (1230, 8026), (2460, 4013)]