138681920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 224

約数和(自身を含む): 394033248

約数和(自身を除く): 255351328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 37, 40, 52, 53, 64, 65, 68, 74, 80, 85, 104, 106, 130, 136, 148, 160, 170, 185, 208, 212, 221, 260, 265, 272, 296, 320, 340, 370, 416, 424, 442, 481, 520, 530, 544, 592, 629, 680, 689, 740, 832, 848, 884, 901, 962, 1040, 1060, 1088, 1105, 1184, 1258, 1360, 1378, 1480, 1696, 1768, 1802, 1924, 1961, 2080, 2120, 2210, 2368, 2405, 2516, 2720, 2756, 2960, 3145, 3392, 3445, 3536, 3604, 3848, 3922, 4160, 4240, 4420, 4505, 4810, 5032, 5440, 5512, 5920, 6290, 6890, 7072, 7208, 7696, 7844, 8177, 8480, 8840, 9010, 9620, 9805, 10064, 11024, 11713, 11840, 12580, 13780, 14144, 14416, 15392, 15688, 16354, 16960, 17680, 18020, 19240, 19610, 20128, 22048, 23426, 25160, 25493, 27560, 28832, 30784, 31376, 32708, 33337, 35360, 36040, 38480, 39220, 40256, 40885, 44096, 46852, 50320, 50986, 55120, 57664, 58565, 62752, 65416, 66674, 70720, 72080, 76960, 78440, 81770, 93704, 100640, 101972, 110240, 117130, 125504, 127465, 130832, 133348, 144160, 153920, 156880, 163540, 166685, 187408, 201280, 203944, 220480, 234260, 254930, 261664, 266696, 288320, 313760, 327080, 333370, 374816, 407888, 433381, 468520, 509860, 523328, 533392, 627520, 654160, 666740, 749632, 815776, 866762, 937040, 1019720, 1066784, 1308320, 1333480, 1631552, 1733524, 1874080, 2039440, 2133568, 2166905, 2616640, 2666960, 3467048, 3748160, 4078880, 4333810, 5333920, 6934096, 8157760, 8667620, 10667840, 13868192, 17335240, 27736384, 34670480, 69340960, 138681920]

約数ペア:

[(1, 138681920), (2, 69340960), (4, 34670480), (5, 27736384), (8, 17335240), (10, 13868192), (13, 10667840), (16, 8667620), (17, 8157760), (20, 6934096), (26, 5333920), (32, 4333810), (34, 4078880), (37, 3748160), (40, 3467048), (52, 2666960), (53, 2616640), (64, 2166905), (65, 2133568), (68, 2039440), (74, 1874080), (80, 1733524), (85, 1631552), (104, 1333480), (106, 1308320), (130, 1066784), (136, 1019720), (148, 937040), (160, 866762), (170, 815776), (185, 749632), (208, 666740), (212, 654160), (221, 627520), (260, 533392), (265, 523328), (272, 509860), (296, 468520), (320, 433381), (340, 407888), (370, 374816), (416, 333370), (424, 327080), (442, 313760), (481, 288320), (520, 266696), (530, 261664), (544, 254930), (592, 234260), (629, 220480), (680, 203944), (689, 201280), (740, 187408), (832, 166685), (848, 163540), (884, 156880), (901, 153920), (962, 144160), (1040, 133348), (1060, 130832), (1088, 127465), (1105, 125504), (1184, 117130), (1258, 110240), (1360, 101972), (1378, 100640), (1480, 93704), (1696, 81770), (1768, 78440), (1802, 76960), (1924, 72080), (1961, 70720), (2080, 66674), (2120, 65416), (2210, 62752), (2368, 58565), (2405, 57664), (2516, 55120), (2720, 50986), (2756, 50320), (2960, 46852), (3145, 44096), (3392, 40885), (3445, 40256), (3536, 39220), (3604, 38480), (3848, 36040), (3922, 35360), (4160, 33337), (4240, 32708), (4420, 31376), (4505, 30784), (4810, 28832), (5032, 27560), (5440, 25493), (5512, 25160), (5920, 23426), (6290, 22048), (6890, 20128), (7072, 19610), (7208, 19240), (7696, 18020), (7844, 17680), (8177, 16960), (8480, 16354), (8840, 15688), (9010, 15392), (9620, 14416), (9805, 14144), (10064, 13780), (11024, 12580), (11713, 11840)]