161002960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 399706560

約数和(自身を除く): 238703600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 730, 760, 1168, 1387, 1451, 1460, 1520, 2774, 2902, 2920, 5548, 5804, 5840, 6935, 7255, 11096, 11608, 13870, 14510, 22192, 23216, 27569, 27740, 29020, 55138, 55480, 58040, 105923, 110276, 110960, 116080, 137845, 211846, 220552, 275690, 423692, 441104, 529615, 551380, 847384, 1059230, 1102760, 1694768, 2012537, 2118460, 2205520, 4025074, 4236920, 8050148, 8473840, 10062685, 16100296, 20125370, 32200592, 40250740, 80501480, 161002960]

約数ペア:

[(1, 161002960), (2, 80501480), (4, 40250740), (5, 32200592), (8, 20125370), (10, 16100296), (16, 10062685), (19, 8473840), (20, 8050148), (38, 4236920), (40, 4025074), (73, 2205520), (76, 2118460), (80, 2012537), (95, 1694768), (146, 1102760), (152, 1059230), (190, 847384), (292, 551380), (304, 529615), (365, 441104), (380, 423692), (584, 275690), (730, 220552), (760, 211846), (1168, 137845), (1387, 116080), (1451, 110960), (1460, 110276), (1520, 105923), (2774, 58040), (2902, 55480), (2920, 55138), (5548, 29020), (5804, 27740), (5840, 27569), (6935, 23216), (7255, 22192), (11096, 14510), (11608, 13870)]