212540520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16553}}^1$

素因数の和:16674

約数の個数: 64

約数和(自身を含む): 643619520

約数和(自身を除く): 431079000

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, 6420, 12840, 16553, 33106, 49659, 66212, 82765, 99318, 132424, 165530, 198636, 248295, 331060, 397272, 496590, 662120, 993180, 1771171, 1986360, 3542342, 5313513, 7084684, 8855855, 10627026, 14169368, 17711710, 21254052, 26567565, 35423420, 42508104, 53135130, 70846840, 106270260, 212540520]

約数ペア:

[(1, 212540520), (2, 106270260), (3, 70846840), (4, 53135130), (5, 42508104), (6, 35423420), (8, 26567565), (10, 21254052), (12, 17711710), (15, 14169368), (20, 10627026), (24, 8855855), (30, 7084684), (40, 5313513), (60, 3542342), (107, 1986360), (120, 1771171), (214, 993180), (321, 662120), (428, 496590), (535, 397272), (642, 331060), (856, 248295), (1070, 198636), (1284, 165530), (1605, 132424), (2140, 99318), (2568, 82765), (3210, 66212), (4280, 49659), (6420, 33106), (12840, 16553)]