128343320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3499}}^1$

素因数の和:3648

約数の個数: 64

約数和(自身を含む): 332640000

約数和(自身を除く): 204296680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3499, 3668, 4585, 5240, 6998, 7336, 9170, 13996, 17495, 18340, 24493, 27992, 34990, 36680, 48986, 69980, 97972, 122465, 139960, 195944, 244930, 458369, 489860, 916738, 979720, 1833476, 2291845, 3208583, 3666952, 4583690, 6417166, 9167380, 12834332, 16042915, 18334760, 25668664, 32085830, 64171660, 128343320]

約数ペア:

[(1, 128343320), (2, 64171660), (4, 32085830), (5, 25668664), (7, 18334760), (8, 16042915), (10, 12834332), (14, 9167380), (20, 6417166), (28, 4583690), (35, 3666952), (40, 3208583), (56, 2291845), (70, 1833476), (131, 979720), (140, 916738), (262, 489860), (280, 458369), (524, 244930), (655, 195944), (917, 139960), (1048, 122465), (1310, 97972), (1834, 69980), (2620, 48986), (3499, 36680), (3668, 34990), (4585, 27992), (5240, 24493), (6998, 18340), (7336, 17495), (9170, 13996)]