398741520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2633}}^1$

素因数の和:3280

約数の個数: 80

約数和(自身を含む): 1238527872

約数和(自身を除く): 839786352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 631, 1262, 1893, 2524, 2633, 3155, 3786, 5048, 5266, 6310, 7572, 7899, 9465, 10096, 10532, 12620, 13165, 15144, 15798, 18930, 21064, 25240, 26330, 30288, 31596, 37860, 39495, 42128, 50480, 52660, 63192, 75720, 78990, 105320, 126384, 151440, 157980, 210640, 315960, 631920, 1661423, 3322846, 4984269, 6645692, 8307115, 9968538, 13291384, 16614230, 19937076, 24921345, 26582768, 33228460, 39874152, 49842690, 66456920, 79748304, 99685380, 132913840, 199370760, 398741520]

約数ペア:

[(1, 398741520), (2, 199370760), (3, 132913840), (4, 99685380), (5, 79748304), (6, 66456920), (8, 49842690), (10, 39874152), (12, 33228460), (15, 26582768), (16, 24921345), (20, 19937076), (24, 16614230), (30, 13291384), (40, 9968538), (48, 8307115), (60, 6645692), (80, 4984269), (120, 3322846), (240, 1661423), (631, 631920), (1262, 315960), (1893, 210640), (2524, 157980), (2633, 151440), (3155, 126384), (3786, 105320), (5048, 78990), (5266, 75720), (6310, 63192), (7572, 52660), (7899, 50480), (9465, 42128), (10096, 39495), (10532, 37860), (12620, 31596), (13165, 30288), (15144, 26330), (15798, 25240), (18930, 21064)]