81215785872

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{131071}}^1$

素因数の和:131429

約数の個数: 120

約数和(自身を含む): 245516730368

約数和(自身を除く): 164300944496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 331, 468, 624, 662, 936, 993, 1324, 1872, 1986, 2648, 2979, 3972, 4303, 5296, 5958, 7944, 8606, 11916, 12909, 15888, 17212, 23832, 25818, 34424, 38727, 47664, 51636, 68848, 77454, 103272, 131071, 154908, 206544, 262142, 309816, 393213, 524284, 619632, 786426, 1048568, 1179639, 1572852, 1703923, 2097136, 2359278, 3145704, 3407846, 4718556, 5111769, 6291408, 6815692, 9437112, 10223538, 13631384, 15335307, 18874224, 20447076, 27262768, 30670614, 40894152, 43384501, 61341228, 81788304, 86769002, 122682456, 130153503, 173538004, 245364912, 260307006, 347076008, 390460509, 520614012, 563998513, 694152016, 780921018, 1041228024, 1127997026, 1561842036, 1691995539, 2082456048, 2255994052, 3123684072, 3383991078, 4511988104, 5075986617, 6247368144, 6767982156, 9023976208, 10151973234, 13535964312, 20303946468, 27071928624, 40607892936, 81215785872]

約数ペア:

[(1, 81215785872), (2, 40607892936), (3, 27071928624), (4, 20303946468), (6, 13535964312), (8, 10151973234), (9, 9023976208), (12, 6767982156), (13, 6247368144), (16, 5075986617), (18, 4511988104), (24, 3383991078), (26, 3123684072), (36, 2255994052), (39, 2082456048), (48, 1691995539), (52, 1561842036), (72, 1127997026), (78, 1041228024), (104, 780921018), (117, 694152016), (144, 563998513), (156, 520614012), (208, 390460509), (234, 347076008), (312, 260307006), (331, 245364912), (468, 173538004), (624, 130153503), (662, 122682456), (936, 86769002), (993, 81788304), (1324, 61341228), (1872, 43384501), (1986, 40894152), (2648, 30670614), (2979, 27262768), (3972, 20447076), (4303, 18874224), (5296, 15335307), (5958, 13631384), (7944, 10223538), (8606, 9437112), (11916, 6815692), (12909, 6291408), (15888, 5111769), (17212, 4718556), (23832, 3407846), (25818, 3145704), (34424, 2359278), (38727, 2097136), (47664, 1703923), (51636, 1572852), (68848, 1179639), (77454, 1048568), (103272, 786426), (131071, 619632), (154908, 524284), (206544, 393213), (262142, 309816)]