1218729888

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{20443}}^1$

素因数の和:20488

約数の個数: 120

約数和(自身を含む): 3740270688

約数和(自身を除く): 2521540800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 368, 414, 432, 552, 621, 648, 736, 828, 864, 1104, 1242, 1296, 1656, 1863, 2208, 2484, 2592, 3312, 3726, 4968, 6624, 7452, 9936, 14904, 19872, 20443, 29808, 40886, 59616, 61329, 81772, 122658, 163544, 183987, 245316, 327088, 367974, 470189, 490632, 551961, 654176, 735948, 940378, 981264, 1103922, 1410567, 1471896, 1655883, 1880756, 1962528, 2207844, 2821134, 2943792, 3311766, 3761512, 4231701, 4415688, 5642268, 5887584, 6623532, 7523024, 8463402, 8831376, 11284536, 12695103, 13247064, 15046048, 16926804, 17662752, 22569072, 25390206, 26494128, 33853608, 38085309, 45138144, 50780412, 52988256, 67707216, 76170618, 101560824, 135414432, 152341236, 203121648, 304682472, 406243296, 609364944, 1218729888]

約数ペア:

[(1, 1218729888), (2, 609364944), (3, 406243296), (4, 304682472), (6, 203121648), (8, 152341236), (9, 135414432), (12, 101560824), (16, 76170618), (18, 67707216), (23, 52988256), (24, 50780412), (27, 45138144), (32, 38085309), (36, 33853608), (46, 26494128), (48, 25390206), (54, 22569072), (69, 17662752), (72, 16926804), (81, 15046048), (92, 13247064), (96, 12695103), (108, 11284536), (138, 8831376), (144, 8463402), (162, 7523024), (184, 6623532), (207, 5887584), (216, 5642268), (276, 4415688), (288, 4231701), (324, 3761512), (368, 3311766), (414, 2943792), (432, 2821134), (552, 2207844), (621, 1962528), (648, 1880756), (736, 1655883), (828, 1471896), (864, 1410567), (1104, 1103922), (1242, 981264), (1296, 940378), (1656, 735948), (1863, 654176), (2208, 551961), (2484, 490632), (2592, 470189), (3312, 367974), (3726, 327088), (4968, 245316), (6624, 183987), (7452, 163544), (9936, 122658), (14904, 81772), (19872, 61329), (20443, 59616), (29808, 40886)]