21380800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 168

約数和(自身を含む): 63495936

約数和(自身を除く): 42115136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 64, 70, 80, 83, 92, 100, 112, 115, 140, 160, 161, 166, 175, 184, 200, 224, 230, 280, 320, 322, 332, 350, 368, 400, 415, 448, 460, 560, 575, 581, 644, 664, 700, 736, 800, 805, 830, 920, 1120, 1150, 1162, 1288, 1328, 1400, 1472, 1600, 1610, 1660, 1840, 1909, 2075, 2240, 2300, 2324, 2576, 2656, 2800, 2905, 3220, 3320, 3680, 3818, 4025, 4150, 4600, 4648, 5152, 5312, 5600, 5810, 6440, 6640, 7360, 7636, 8050, 8300, 9200, 9296, 9545, 10304, 11200, 11620, 12880, 13280, 13363, 14525, 15272, 16100, 16600, 18400, 18592, 19090, 23240, 25760, 26560, 26726, 29050, 30544, 32200, 33200, 36800, 37184, 38180, 46480, 47725, 51520, 53452, 58100, 61088, 64400, 66400, 66815, 76360, 92960, 95450, 106904, 116200, 122176, 128800, 132800, 133630, 152720, 185920, 190900, 213808, 232400, 257600, 267260, 305440, 334075, 381800, 427616, 464800, 534520, 610880, 668150, 763600, 855232, 929600, 1069040, 1336300, 1527200, 2138080, 2672600, 3054400, 4276160, 5345200, 10690400, 21380800]

約数ペア:

[(1, 21380800), (2, 10690400), (4, 5345200), (5, 4276160), (7, 3054400), (8, 2672600), (10, 2138080), (14, 1527200), (16, 1336300), (20, 1069040), (23, 929600), (25, 855232), (28, 763600), (32, 668150), (35, 610880), (40, 534520), (46, 464800), (50, 427616), (56, 381800), (64, 334075), (70, 305440), (80, 267260), (83, 257600), (92, 232400), (100, 213808), (112, 190900), (115, 185920), (140, 152720), (160, 133630), (161, 132800), (166, 128800), (175, 122176), (184, 116200), (200, 106904), (224, 95450), (230, 92960), (280, 76360), (320, 66815), (322, 66400), (332, 64400), (350, 61088), (368, 58100), (400, 53452), (415, 51520), (448, 47725), (460, 46480), (560, 38180), (575, 37184), (581, 36800), (644, 33200), (664, 32200), (700, 30544), (736, 29050), (800, 26726), (805, 26560), (830, 25760), (920, 23240), (1120, 19090), (1150, 18592), (1162, 18400), (1288, 16600), (1328, 16100), (1400, 15272), (1472, 14525), (1600, 13363), (1610, 13280), (1660, 12880), (1840, 11620), (1909, 11200), (2075, 10304), (2240, 9545), (2300, 9296), (2324, 9200), (2576, 8300), (2656, 8050), (2800, 7636), (2905, 7360), (3220, 6640), (3320, 6440), (3680, 5810), (3818, 5600), (4025, 5312), (4150, 5152), (4600, 4648)]