11989120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 33929280

約数和(自身を除く): 21940160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 131, 143, 160, 176, 208, 220, 260, 262, 286, 320, 352, 416, 440, 520, 524, 572, 640, 655, 704, 715, 832, 880, 1040, 1048, 1144, 1310, 1408, 1430, 1441, 1664, 1703, 1760, 2080, 2096, 2288, 2620, 2860, 2882, 3406, 3520, 4160, 4192, 4576, 5240, 5720, 5764, 6812, 7040, 7205, 8320, 8384, 8515, 9152, 10480, 11440, 11528, 13624, 14410, 16768, 17030, 18304, 18733, 20960, 22880, 23056, 27248, 28820, 34060, 37466, 41920, 45760, 46112, 54496, 57640, 68120, 74932, 83840, 91520, 92224, 93665, 108992, 115280, 136240, 149864, 184448, 187330, 217984, 230560, 272480, 299728, 374660, 461120, 544960, 599456, 749320, 922240, 1089920, 1198912, 1498640, 2397824, 2997280, 5994560, 11989120]

約数ペア:

[(1, 11989120), (2, 5994560), (4, 2997280), (5, 2397824), (8, 1498640), (10, 1198912), (11, 1089920), (13, 922240), (16, 749320), (20, 599456), (22, 544960), (26, 461120), (32, 374660), (40, 299728), (44, 272480), (52, 230560), (55, 217984), (64, 187330), (65, 184448), (80, 149864), (88, 136240), (104, 115280), (110, 108992), (128, 93665), (130, 92224), (131, 91520), (143, 83840), (160, 74932), (176, 68120), (208, 57640), (220, 54496), (260, 46112), (262, 45760), (286, 41920), (320, 37466), (352, 34060), (416, 28820), (440, 27248), (520, 23056), (524, 22880), (572, 20960), (640, 18733), (655, 18304), (704, 17030), (715, 16768), (832, 14410), (880, 13624), (1040, 11528), (1048, 11440), (1144, 10480), (1310, 9152), (1408, 8515), (1430, 8384), (1441, 8320), (1664, 7205), (1703, 7040), (1760, 6812), (2080, 5764), (2096, 5720), (2288, 5240), (2620, 4576), (2860, 4192), (2882, 4160), (3406, 3520)]