1321419840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105883}}^1$

素因数の和:105916

約数の個数: 112

約数和(自身を含む): 4518282048

約数和(自身を除く): 3196862208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 105883, 211766, 317649, 423532, 529415, 635298, 847064, 1058830, 1270596, 1376479, 1588245, 1694128, 2117660, 2541192, 2752958, 3176490, 3388256, 4129437, 4235320, 5082384, 5505916, 6352980, 6776512, 6882395, 8258874, 8470640, 10164768, 11011832, 12705960, 13764790, 16517748, 16941280, 20329536, 20647185, 22023664, 25411920, 27529580, 33035496, 33882560, 41294370, 44047328, 50823840, 55059160, 66070992, 82588740, 88094656, 101647680, 110118320, 132141984, 165177480, 220236640, 264283968, 330354960, 440473280, 660709920, 1321419840]

約数ペア:

[(1, 1321419840), (2, 660709920), (3, 440473280), (4, 330354960), (5, 264283968), (6, 220236640), (8, 165177480), (10, 132141984), (12, 110118320), (13, 101647680), (15, 88094656), (16, 82588740), (20, 66070992), (24, 55059160), (26, 50823840), (30, 44047328), (32, 41294370), (39, 33882560), (40, 33035496), (48, 27529580), (52, 25411920), (60, 22023664), (64, 20647185), (65, 20329536), (78, 16941280), (80, 16517748), (96, 13764790), (104, 12705960), (120, 11011832), (130, 10164768), (156, 8470640), (160, 8258874), (192, 6882395), (195, 6776512), (208, 6352980), (240, 5505916), (260, 5082384), (312, 4235320), (320, 4129437), (390, 3388256), (416, 3176490), (480, 2752958), (520, 2541192), (624, 2117660), (780, 1694128), (832, 1588245), (960, 1376479), (1040, 1270596), (1248, 1058830), (1560, 847064), (2080, 635298), (2496, 529415), (3120, 423532), (4160, 317649), (6240, 211766), (12480, 105883)]