80347960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1421

約数の個数: 128

約数和(自身を含む): 237427200

約数和(自身を除く): 157079240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1373, 1463, 1540, 1672, 2090, 2660, 2746, 2926, 3080, 4180, 5320, 5492, 5852, 6865, 7315, 8360, 9611, 10984, 11704, 13730, 14630, 15103, 19222, 26087, 27460, 29260, 30206, 38444, 48055, 52174, 54920, 58520, 60412, 75515, 76888, 96110, 104348, 105721, 120824, 130435, 151030, 182609, 192220, 208696, 211442, 260870, 286957, 302060, 365218, 384440, 422884, 521740, 528605, 573914, 604120, 730436, 845768, 913045, 1043480, 1057210, 1147828, 1434785, 1460872, 1826090, 2008699, 2114420, 2295656, 2869570, 3652180, 4017398, 4228840, 5739140, 7304360, 8034796, 10043495, 11478280, 16069592, 20086990, 40173980, 80347960]

約数ペア:

[(1, 80347960), (2, 40173980), (4, 20086990), (5, 16069592), (7, 11478280), (8, 10043495), (10, 8034796), (11, 7304360), (14, 5739140), (19, 4228840), (20, 4017398), (22, 3652180), (28, 2869570), (35, 2295656), (38, 2114420), (40, 2008699), (44, 1826090), (55, 1460872), (56, 1434785), (70, 1147828), (76, 1057210), (77, 1043480), (88, 913045), (95, 845768), (110, 730436), (133, 604120), (140, 573914), (152, 528605), (154, 521740), (190, 422884), (209, 384440), (220, 365218), (266, 302060), (280, 286957), (308, 260870), (380, 211442), (385, 208696), (418, 192220), (440, 182609), (532, 151030), (616, 130435), (665, 120824), (760, 105721), (770, 104348), (836, 96110), (1045, 76888), (1064, 75515), (1330, 60412), (1373, 58520), (1463, 54920), (1540, 52174), (1672, 48055), (2090, 38444), (2660, 30206), (2746, 29260), (2926, 27460), (3080, 26087), (4180, 19222), (5320, 15103), (5492, 14630), (5852, 13730), (6865, 11704), (7315, 10984), (8360, 9611)]