81444120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6343}}^1$

素因数の和:6464

約数の個数: 64

約数和(自身を含む): 246654720

約数和(自身を除く): 165210600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6343, 6420, 12686, 12840, 19029, 25372, 31715, 38058, 50744, 63430, 76116, 95145, 126860, 152232, 190290, 253720, 380580, 678701, 761160, 1357402, 2036103, 2714804, 3393505, 4072206, 5429608, 6787010, 8144412, 10180515, 13574020, 16288824, 20361030, 27148040, 40722060, 81444120]

約数ペア:

[(1, 81444120), (2, 40722060), (3, 27148040), (4, 20361030), (5, 16288824), (6, 13574020), (8, 10180515), (10, 8144412), (12, 6787010), (15, 5429608), (20, 4072206), (24, 3393505), (30, 2714804), (40, 2036103), (60, 1357402), (107, 761160), (120, 678701), (214, 380580), (321, 253720), (428, 190290), (535, 152232), (642, 126860), (856, 95145), (1070, 76116), (1284, 63430), (1605, 50744), (2140, 38058), (2568, 31715), (3210, 25372), (4280, 19029), (6343, 12840), (6420, 12686)]