210407680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1072

約数の個数: 144

約数和(自身を含む): 601622784

約数和(自身を除く): 391215104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1021, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 2042, 2240, 2576, 2944, 3220, 3680, 4084, 4480, 5105, 5152, 5888, 6440, 7147, 7360, 8168, 8960, 10210, 10304, 12880, 14294, 14720, 16336, 20420, 20608, 23483, 25760, 28588, 29440, 32672, 35735, 40840, 41216, 46966, 51520, 57176, 65344, 71470, 81680, 93932, 103040, 114352, 117415, 130688, 142940, 163360, 164381, 187864, 206080, 228704, 234830, 261376, 285880, 326720, 328762, 375728, 457408, 469660, 571760, 653440, 657524, 751456, 821905, 914816, 939320, 1143520, 1306880, 1315048, 1502912, 1643810, 1829632, 1878640, 2287040, 2630096, 3005824, 3287620, 3757280, 4574080, 5260192, 6011648, 6575240, 7514560, 9148160, 10520384, 13150480, 15029120, 21040768, 26300960, 30058240, 42081536, 52601920, 105203840, 210407680]

約数ペア:

[(1, 210407680), (2, 105203840), (4, 52601920), (5, 42081536), (7, 30058240), (8, 26300960), (10, 21040768), (14, 15029120), (16, 13150480), (20, 10520384), (23, 9148160), (28, 7514560), (32, 6575240), (35, 6011648), (40, 5260192), (46, 4574080), (56, 3757280), (64, 3287620), (70, 3005824), (80, 2630096), (92, 2287040), (112, 1878640), (115, 1829632), (128, 1643810), (140, 1502912), (160, 1315048), (161, 1306880), (184, 1143520), (224, 939320), (230, 914816), (256, 821905), (280, 751456), (320, 657524), (322, 653440), (368, 571760), (448, 469660), (460, 457408), (560, 375728), (640, 328762), (644, 326720), (736, 285880), (805, 261376), (896, 234830), (920, 228704), (1021, 206080), (1120, 187864), (1280, 164381), (1288, 163360), (1472, 142940), (1610, 130688), (1792, 117415), (1840, 114352), (2042, 103040), (2240, 93932), (2576, 81680), (2944, 71470), (3220, 65344), (3680, 57176), (4084, 51520), (4480, 46966), (5105, 41216), (5152, 40840), (5888, 35735), (6440, 32672), (7147, 29440), (7360, 28588), (8168, 25760), (8960, 23483), (10210, 20608), (10304, 20420), (12880, 16336), (14294, 14720)]