1278608328

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{27791}}^1$

素因数の和:27880

約数の個数: 80

約数和(自身を含む): 3631858560

約数和(自身を除く): 2353250232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 568, 639, 648, 852, 1278, 1704, 1917, 2556, 3834, 5112, 5751, 7668, 11502, 15336, 23004, 27791, 46008, 55582, 83373, 111164, 166746, 222328, 250119, 333492, 500238, 666984, 750357, 1000476, 1500714, 1973161, 2000952, 2251071, 3001428, 3946322, 4502142, 5919483, 6002856, 7892644, 9004284, 11838966, 15785288, 17758449, 18008568, 23677932, 35516898, 47355864, 53275347, 71033796, 106550694, 142067592, 159826041, 213101388, 319652082, 426202776, 639304164, 1278608328]

約数ペア:

[(1, 1278608328), (2, 639304164), (3, 426202776), (4, 319652082), (6, 213101388), (8, 159826041), (9, 142067592), (12, 106550694), (18, 71033796), (24, 53275347), (27, 47355864), (36, 35516898), (54, 23677932), (71, 18008568), (72, 17758449), (81, 15785288), (108, 11838966), (142, 9004284), (162, 7892644), (213, 6002856), (216, 5919483), (284, 4502142), (324, 3946322), (426, 3001428), (568, 2251071), (639, 2000952), (648, 1973161), (852, 1500714), (1278, 1000476), (1704, 750357), (1917, 666984), (2556, 500238), (3834, 333492), (5112, 250119), (5751, 222328), (7668, 166746), (11502, 111164), (15336, 83373), (23004, 55582), (27791, 46008)]