870978160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10601}}^1$

素因数の和:10706

約数の個数: 80

約数和(自身を含む): 2208608640

約数和(自身を除く): 1337630480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 3160, 4108, 5135, 6320, 8216, 10270, 10601, 16432, 20540, 21202, 41080, 42404, 53005, 82160, 84808, 106010, 137813, 169616, 212020, 275626, 424040, 551252, 689065, 837479, 848080, 1102504, 1378130, 1674958, 2205008, 2756260, 3349916, 4187395, 5512520, 6699832, 8374790, 10887227, 11025040, 13399664, 16749580, 21774454, 33499160, 43548908, 54436135, 66998320, 87097816, 108872270, 174195632, 217744540, 435489080, 870978160]

約数ペア:

[(1, 870978160), (2, 435489080), (4, 217744540), (5, 174195632), (8, 108872270), (10, 87097816), (13, 66998320), (16, 54436135), (20, 43548908), (26, 33499160), (40, 21774454), (52, 16749580), (65, 13399664), (79, 11025040), (80, 10887227), (104, 8374790), (130, 6699832), (158, 5512520), (208, 4187395), (260, 3349916), (316, 2756260), (395, 2205008), (520, 1674958), (632, 1378130), (790, 1102504), (1027, 848080), (1040, 837479), (1264, 689065), (1580, 551252), (2054, 424040), (3160, 275626), (4108, 212020), (5135, 169616), (6320, 137813), (8216, 106010), (10270, 84808), (10601, 82160), (16432, 53005), (20540, 42404), (21202, 41080)]