81139440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2269}}^1$

素因数の和:2434

約数の個数: 80

約数和(自身を含む): 253332000

約数和(自身を除く): 172192560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2269, 2384, 2980, 3576, 4470, 4538, 5960, 6807, 7152, 8940, 9076, 11345, 11920, 13614, 17880, 18152, 22690, 27228, 34035, 35760, 36304, 45380, 54456, 68070, 90760, 108912, 136140, 181520, 272280, 338081, 544560, 676162, 1014243, 1352324, 1690405, 2028486, 2704648, 3380810, 4056972, 5071215, 5409296, 6761620, 8113944, 10142430, 13523240, 16227888, 20284860, 27046480, 40569720, 81139440]

約数ペア:

[(1, 81139440), (2, 40569720), (3, 27046480), (4, 20284860), (5, 16227888), (6, 13523240), (8, 10142430), (10, 8113944), (12, 6761620), (15, 5409296), (16, 5071215), (20, 4056972), (24, 3380810), (30, 2704648), (40, 2028486), (48, 1690405), (60, 1352324), (80, 1014243), (120, 676162), (149, 544560), (240, 338081), (298, 272280), (447, 181520), (596, 136140), (745, 108912), (894, 90760), (1192, 68070), (1490, 54456), (1788, 45380), (2235, 36304), (2269, 35760), (2384, 34035), (2980, 27228), (3576, 22690), (4470, 18152), (4538, 17880), (5960, 13614), (6807, 11920), (7152, 11345), (8940, 9076)]