213780320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1408

約数の個数: 96

約数和(自身を含む): 551214720

約数和(自身を除く): 337434400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 520, 632, 790, 1027, 1040, 1264, 1301, 1580, 2054, 2080, 2528, 2602, 3160, 4108, 5135, 5204, 6320, 6505, 8216, 10270, 10408, 12640, 13010, 16432, 16913, 20540, 20816, 26020, 32864, 33826, 41080, 41632, 52040, 67652, 82160, 84565, 102779, 104080, 135304, 164320, 169130, 205558, 208160, 270608, 338260, 411116, 513895, 541216, 676520, 822232, 1027790, 1336127, 1353040, 1644464, 2055580, 2672254, 2706080, 3288928, 4111160, 5344508, 6680635, 8222320, 10689016, 13361270, 16444640, 21378032, 26722540, 42756064, 53445080, 106890160, 213780320]

約数ペア:

[(1, 213780320), (2, 106890160), (4, 53445080), (5, 42756064), (8, 26722540), (10, 21378032), (13, 16444640), (16, 13361270), (20, 10689016), (26, 8222320), (32, 6680635), (40, 5344508), (52, 4111160), (65, 3288928), (79, 2706080), (80, 2672254), (104, 2055580), (130, 1644464), (158, 1353040), (160, 1336127), (208, 1027790), (260, 822232), (316, 676520), (395, 541216), (416, 513895), (520, 411116), (632, 338260), (790, 270608), (1027, 208160), (1040, 205558), (1264, 169130), (1301, 164320), (1580, 135304), (2054, 104080), (2080, 102779), (2528, 84565), (2602, 82160), (3160, 67652), (4108, 52040), (5135, 41632), (5204, 41080), (6320, 33826), (6505, 32864), (8216, 26020), (10270, 20816), (10408, 20540), (12640, 16913), (13010, 16432)]