21404071680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{327881}}^1$

素因数の和:327922

約数の個数: 144

約数和(自身を含む): 72380607264

約数和(自身を除く): 50976535584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3840, 4080, 4352, 5440, 6528, 8160, 10880, 13056, 16320, 21760, 32640, 65280, 327881, 655762, 983643, 1311524, 1639405, 1967286, 2623048, 3278810, 3934572, 4918215, 5246096, 5573977, 6557620, 7869144, 9836430, 10492192, 11147954, 13115240, 15738288, 16721931, 19672860, 20984384, 22295908, 26230480, 27869885, 31476576, 33443862, 39345720, 41968768, 44591816, 52460960, 55739770, 62953152, 66887724, 78691440, 83609655, 83937536, 89183632, 104921920, 111479540, 125906304, 133775448, 157382880, 167219310, 178367264, 209843840, 222959080, 251812608, 267550896, 314765760, 334438620, 356734528, 419687680, 445918160, 535101792, 629531520, 668877240, 713469056, 891836320, 1070203584, 1259063040, 1337754480, 1426938112, 1783672640, 2140407168, 2675508960, 3567345280, 4280814336, 5351017920, 7134690560, 10702035840, 21404071680]

約数ペア:

[(1, 21404071680), (2, 10702035840), (3, 7134690560), (4, 5351017920), (5, 4280814336), (6, 3567345280), (8, 2675508960), (10, 2140407168), (12, 1783672640), (15, 1426938112), (16, 1337754480), (17, 1259063040), (20, 1070203584), (24, 891836320), (30, 713469056), (32, 668877240), (34, 629531520), (40, 535101792), (48, 445918160), (51, 419687680), (60, 356734528), (64, 334438620), (68, 314765760), (80, 267550896), (85, 251812608), (96, 222959080), (102, 209843840), (120, 178367264), (128, 167219310), (136, 157382880), (160, 133775448), (170, 125906304), (192, 111479540), (204, 104921920), (240, 89183632), (255, 83937536), (256, 83609655), (272, 78691440), (320, 66887724), (340, 62953152), (384, 55739770), (408, 52460960), (480, 44591816), (510, 41968768), (544, 39345720), (640, 33443862), (680, 31476576), (768, 27869885), (816, 26230480), (960, 22295908), (1020, 20984384), (1088, 19672860), (1280, 16721931), (1360, 15738288), (1632, 13115240), (1920, 11147954), (2040, 10492192), (2176, 9836430), (2720, 7869144), (3264, 6557620), (3840, 5573977), (4080, 5246096), (4352, 4918215), (5440, 3934572), (6528, 3278810), (8160, 2623048), (10880, 1967286), (13056, 1639405), (16320, 1311524), (21760, 983643), (32640, 655762), (65280, 327881)]