131084240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1571}}^1$

素因数の和:1740

約数の個数: 80

約数和(自身を含む): 350870400

約数和(自身を除く): 219786160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 1043, 1192, 1490, 1571, 2086, 2384, 2980, 3142, 4172, 5215, 5960, 6284, 7855, 8344, 10430, 10997, 11920, 12568, 15710, 16688, 20860, 21994, 25136, 31420, 41720, 43988, 54985, 62840, 83440, 87976, 109970, 125680, 175952, 219940, 234079, 439880, 468158, 879760, 936316, 1170395, 1638553, 1872632, 2340790, 3277106, 3745264, 4681580, 6554212, 8192765, 9363160, 13108424, 16385530, 18726320, 26216848, 32771060, 65542120, 131084240]

約数ペア:

[(1, 131084240), (2, 65542120), (4, 32771060), (5, 26216848), (7, 18726320), (8, 16385530), (10, 13108424), (14, 9363160), (16, 8192765), (20, 6554212), (28, 4681580), (35, 3745264), (40, 3277106), (56, 2340790), (70, 1872632), (80, 1638553), (112, 1170395), (140, 936316), (149, 879760), (280, 468158), (298, 439880), (560, 234079), (596, 219940), (745, 175952), (1043, 125680), (1192, 109970), (1490, 87976), (1571, 83440), (2086, 62840), (2384, 54985), (2980, 43988), (3142, 41720), (4172, 31420), (5215, 25136), (5960, 21994), (6284, 20860), (7855, 16688), (8344, 15710), (10430, 12568), (10997, 11920)]