17181920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 50168160

約数和(自身を除く): 32986240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 56, 58, 70, 80, 92, 112, 115, 116, 140, 145, 160, 161, 184, 203, 224, 230, 232, 280, 290, 322, 368, 406, 460, 464, 529, 560, 580, 644, 667, 736, 805, 812, 920, 928, 1015, 1058, 1120, 1160, 1288, 1334, 1610, 1624, 1840, 2030, 2116, 2320, 2576, 2645, 2668, 3220, 3248, 3335, 3680, 3703, 4060, 4232, 4640, 4669, 5152, 5290, 5336, 6440, 6496, 6670, 7406, 8120, 8464, 9338, 10580, 10672, 12880, 13340, 14812, 15341, 16240, 16928, 18515, 18676, 21160, 21344, 23345, 25760, 26680, 29624, 30682, 32480, 37030, 37352, 42320, 46690, 53360, 59248, 61364, 74060, 74704, 76705, 84640, 93380, 106720, 107387, 118496, 122728, 148120, 149408, 153410, 186760, 214774, 245456, 296240, 306820, 373520, 429548, 490912, 536935, 592480, 613640, 747040, 859096, 1073870, 1227280, 1718192, 2147740, 2454560, 3436384, 4295480, 8590960, 17181920]

約数ペア:

[(1, 17181920), (2, 8590960), (4, 4295480), (5, 3436384), (7, 2454560), (8, 2147740), (10, 1718192), (14, 1227280), (16, 1073870), (20, 859096), (23, 747040), (28, 613640), (29, 592480), (32, 536935), (35, 490912), (40, 429548), (46, 373520), (56, 306820), (58, 296240), (70, 245456), (80, 214774), (92, 186760), (112, 153410), (115, 149408), (116, 148120), (140, 122728), (145, 118496), (160, 107387), (161, 106720), (184, 93380), (203, 84640), (224, 76705), (230, 74704), (232, 74060), (280, 61364), (290, 59248), (322, 53360), (368, 46690), (406, 42320), (460, 37352), (464, 37030), (529, 32480), (560, 30682), (580, 29624), (644, 26680), (667, 25760), (736, 23345), (805, 21344), (812, 21160), (920, 18676), (928, 18515), (1015, 16928), (1058, 16240), (1120, 15341), (1160, 14812), (1288, 13340), (1334, 12880), (1610, 10672), (1624, 10580), (1840, 9338), (2030, 8464), (2116, 8120), (2320, 7406), (2576, 6670), (2645, 6496), (2668, 6440), (3220, 5336), (3248, 5290), (3335, 5152), (3680, 4669), (3703, 4640), (4060, 4232)]