2842180120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 7060919040

約数和(自身を除く): 4218738920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 281, 367, 424, 520, 530, 562, 689, 734, 1060, 1124, 1378, 1405, 1468, 1835, 2120, 2248, 2756, 2810, 2936, 3445, 3653, 3670, 4771, 5512, 5620, 6890, 7306, 7340, 9542, 11240, 13780, 14612, 14680, 14893, 18265, 19084, 19451, 23855, 27560, 29224, 29786, 36530, 38168, 38902, 47710, 59572, 73060, 74465, 77804, 95420, 97255, 103127, 119144, 146120, 148930, 155608, 190840, 193609, 194510, 206254, 252863, 297860, 387218, 389020, 412508, 505726, 515635, 595720, 774436, 778040, 825016, 968045, 1011452, 1031270, 1264315, 1340651, 1548872, 1936090, 2022904, 2062540, 2528630, 2681302, 3872180, 4125080, 5057260, 5362604, 5465731, 6703255, 7744360, 10114520, 10725208, 10931462, 13406510, 21862924, 26813020, 27328655, 43725848, 53626040, 54657310, 71054503, 109314620, 142109006, 218629240, 284218012, 355272515, 568436024, 710545030, 1421090060, 2842180120]

約数ペア:

[(1, 2842180120), (2, 1421090060), (4, 710545030), (5, 568436024), (8, 355272515), (10, 284218012), (13, 218629240), (20, 142109006), (26, 109314620), (40, 71054503), (52, 54657310), (53, 53626040), (65, 43725848), (104, 27328655), (106, 26813020), (130, 21862924), (212, 13406510), (260, 10931462), (265, 10725208), (281, 10114520), (367, 7744360), (424, 6703255), (520, 5465731), (530, 5362604), (562, 5057260), (689, 4125080), (734, 3872180), (1060, 2681302), (1124, 2528630), (1378, 2062540), (1405, 2022904), (1468, 1936090), (1835, 1548872), (2120, 1340651), (2248, 1264315), (2756, 1031270), (2810, 1011452), (2936, 968045), (3445, 825016), (3653, 778040), (3670, 774436), (4771, 595720), (5512, 515635), (5620, 505726), (6890, 412508), (7306, 389020), (7340, 387218), (9542, 297860), (11240, 252863), (13780, 206254), (14612, 194510), (14680, 193609), (14893, 190840), (18265, 155608), (19084, 148930), (19451, 146120), (23855, 119144), (27560, 103127), (29224, 97255), (29786, 95420), (36530, 77804), (38168, 74465), (38902, 73060), (47710, 59572)]