172320780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66791}}^1$

素因数の和:66846

約数の個数: 48

約数和(自身を含む): 493726464

約数和(自身を除く): 321405684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 66791, 133582, 200373, 267164, 333955, 400746, 667910, 801492, 1001865, 1335820, 2003730, 2872013, 4007460, 5744026, 8616039, 11488052, 14360065, 17232078, 28720130, 34464156, 43080195, 57440260, 86160390, 172320780]

約数ペア:

[(1, 172320780), (2, 86160390), (3, 57440260), (4, 43080195), (5, 34464156), (6, 28720130), (10, 17232078), (12, 14360065), (15, 11488052), (20, 8616039), (30, 5744026), (43, 4007460), (60, 2872013), (86, 2003730), (129, 1335820), (172, 1001865), (215, 801492), (258, 667910), (430, 400746), (516, 333955), (645, 267164), (860, 200373), (1290, 133582), (2580, 66791)]