128981328

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 420687360

約数和(自身を除く): 291706032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 31, 42, 48, 49, 56, 58, 61, 62, 84, 87, 93, 98, 112, 116, 122, 124, 147, 168, 174, 183, 186, 196, 203, 217, 232, 244, 248, 294, 336, 348, 366, 372, 392, 406, 427, 434, 464, 488, 496, 588, 609, 651, 696, 732, 744, 784, 812, 854, 868, 899, 976, 1176, 1218, 1281, 1302, 1392, 1421, 1464, 1488, 1519, 1624, 1708, 1736, 1769, 1798, 1891, 2352, 2436, 2562, 2604, 2697, 2842, 2928, 2989, 3038, 3248, 3416, 3472, 3538, 3596, 3782, 4263, 4557, 4872, 5124, 5208, 5307, 5394, 5673, 5684, 5978, 6076, 6293, 6832, 7076, 7192, 7564, 8526, 8967, 9114, 9744, 10248, 10416, 10614, 10788, 11346, 11368, 11956, 12152, 12383, 12586, 13237, 14152, 14384, 15128, 17052, 17934, 18228, 18879, 20496, 21228, 21576, 22692, 22736, 23912, 24304, 24766, 25172, 26474, 28304, 30256, 34104, 35868, 36456, 37149, 37758, 39711, 42456, 43152, 44051, 45384, 47824, 49532, 50344, 52948, 54839, 68208, 71736, 72912, 74298, 75516, 79422, 84912, 86681, 88102, 90768, 92659, 99064, 100688, 105896, 109678, 132153, 143472, 148596, 151032, 158844, 164517, 173362, 176204, 185318, 198128, 211792, 219356, 260043, 264306, 277977, 297192, 302064, 317688, 329034, 346724, 352408, 370636, 383873, 438712, 520086, 528612, 555954, 594384, 635376, 658068, 693448, 704816, 741272, 767746, 877424, 1040172, 1057224, 1111908, 1151619, 1316136, 1386896, 1482544, 1535492, 2080344, 2114448, 2223816, 2303238, 2632272, 2687111, 3070984, 4160688, 4447632, 4606476, 5374222, 6141968, 8061333, 9212952, 10748444, 16122666, 18425904, 21496888, 32245332, 42993776, 64490664, 128981328]

約数ペア:

[(1, 128981328), (2, 64490664), (3, 42993776), (4, 32245332), (6, 21496888), (7, 18425904), (8, 16122666), (12, 10748444), (14, 9212952), (16, 8061333), (21, 6141968), (24, 5374222), (28, 4606476), (29, 4447632), (31, 4160688), (42, 3070984), (48, 2687111), (49, 2632272), (56, 2303238), (58, 2223816), (61, 2114448), (62, 2080344), (84, 1535492), (87, 1482544), (93, 1386896), (98, 1316136), (112, 1151619), (116, 1111908), (122, 1057224), (124, 1040172), (147, 877424), (168, 767746), (174, 741272), (183, 704816), (186, 693448), (196, 658068), (203, 635376), (217, 594384), (232, 555954), (244, 528612), (248, 520086), (294, 438712), (336, 383873), (348, 370636), (366, 352408), (372, 346724), (392, 329034), (406, 317688), (427, 302064), (434, 297192), (464, 277977), (488, 264306), (496, 260043), (588, 219356), (609, 211792), (651, 198128), (696, 185318), (732, 176204), (744, 173362), (784, 164517), (812, 158844), (854, 151032), (868, 148596), (899, 143472), (976, 132153), (1176, 109678), (1218, 105896), (1281, 100688), (1302, 99064), (1392, 92659), (1421, 90768), (1464, 88102), (1488, 86681), (1519, 84912), (1624, 79422), (1708, 75516), (1736, 74298), (1769, 72912), (1798, 71736), (1891, 68208), (2352, 54839), (2436, 52948), (2562, 50344), (2604, 49532), (2697, 47824), (2842, 45384), (2928, 44051), (2989, 43152), (3038, 42456), (3248, 39711), (3416, 37758), (3472, 37149), (3538, 36456), (3596, 35868), (3782, 34104), (4263, 30256), (4557, 28304), (4872, 26474), (5124, 25172), (5208, 24766), (5307, 24304), (5394, 23912), (5673, 22736), (5684, 22692), (5978, 21576), (6076, 21228), (6293, 20496), (6832, 18879), (7076, 18228), (7192, 17934), (7564, 17052), (8526, 15128), (8967, 14384), (9114, 14152), (9744, 13237), (10248, 12586), (10416, 12383), (10614, 12152), (10788, 11956), (11346, 11368)]