2119281320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 5280992640

約数和(自身を除く): 3161711320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 131, 212, 260, 262, 265, 424, 520, 524, 530, 587, 655, 689, 1048, 1060, 1174, 1310, 1378, 1703, 2120, 2348, 2620, 2756, 2935, 3406, 3445, 4696, 5240, 5512, 5870, 6812, 6890, 6943, 7631, 8515, 11740, 13624, 13780, 13886, 15262, 17030, 23480, 27560, 27772, 30524, 31111, 34060, 34715, 38155, 55544, 61048, 62222, 68120, 69430, 76310, 76897, 90259, 124444, 138860, 152620, 153794, 155555, 180518, 248888, 277720, 305240, 307588, 311110, 361036, 384485, 404443, 451295, 615176, 622220, 722072, 768970, 808886, 902590, 999661, 1244440, 1537940, 1617772, 1805180, 1999322, 2022215, 3075880, 3235544, 3610360, 3998644, 4044430, 4075541, 4998305, 7997288, 8088860, 8151082, 9996610, 16177720, 16302164, 19993220, 20377705, 32604328, 39986440, 40755410, 52982033, 81510820, 105964066, 163021640, 211928132, 264910165, 423856264, 529820330, 1059640660, 2119281320]

約数ペア:

[(1, 2119281320), (2, 1059640660), (4, 529820330), (5, 423856264), (8, 264910165), (10, 211928132), (13, 163021640), (20, 105964066), (26, 81510820), (40, 52982033), (52, 40755410), (53, 39986440), (65, 32604328), (104, 20377705), (106, 19993220), (130, 16302164), (131, 16177720), (212, 9996610), (260, 8151082), (262, 8088860), (265, 7997288), (424, 4998305), (520, 4075541), (524, 4044430), (530, 3998644), (587, 3610360), (655, 3235544), (689, 3075880), (1048, 2022215), (1060, 1999322), (1174, 1805180), (1310, 1617772), (1378, 1537940), (1703, 1244440), (2120, 999661), (2348, 902590), (2620, 808886), (2756, 768970), (2935, 722072), (3406, 622220), (3445, 615176), (4696, 451295), (5240, 404443), (5512, 384485), (5870, 361036), (6812, 311110), (6890, 307588), (6943, 305240), (7631, 277720), (8515, 248888), (11740, 180518), (13624, 155555), (13780, 153794), (13886, 152620), (15262, 138860), (17030, 124444), (23480, 90259), (27560, 76897), (27772, 76310), (30524, 69430), (31111, 68120), (34060, 62222), (34715, 61048), (38155, 55544)]