81181800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 288

約数和(自身を含む): 330782400

約数和(自身を除く): 249600600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 25, 28, 30, 34, 35, 36, 40, 42, 45, 50, 51, 56, 60, 63, 68, 70, 72, 75, 84, 85, 90, 100, 102, 105, 119, 120, 126, 136, 140, 150, 153, 168, 170, 175, 180, 200, 204, 210, 225, 238, 252, 255, 280, 300, 306, 315, 340, 350, 357, 360, 379, 408, 420, 425, 450, 476, 504, 510, 525, 595, 600, 612, 630, 680, 700, 714, 758, 765, 840, 850, 900, 952, 1020, 1050, 1071, 1137, 1190, 1224, 1260, 1275, 1400, 1428, 1516, 1530, 1575, 1700, 1785, 1800, 1895, 2040, 2100, 2142, 2274, 2380, 2520, 2550, 2653, 2856, 2975, 3032, 3060, 3150, 3400, 3411, 3570, 3790, 3825, 4200, 4284, 4548, 4760, 5100, 5306, 5355, 5685, 5950, 6120, 6300, 6443, 6822, 7140, 7580, 7650, 7959, 8568, 8925, 9096, 9475, 10200, 10612, 10710, 11370, 11900, 12600, 12886, 13265, 13644, 14280, 15160, 15300, 15918, 17055, 17850, 18950, 19329, 21224, 21420, 22740, 23800, 23877, 25772, 26530, 26775, 27288, 28425, 30600, 31836, 32215, 34110, 35700, 37900, 38658, 39795, 42840, 45101, 45480, 47754, 51544, 53060, 53550, 56850, 57987, 63672, 64430, 66325, 68220, 71400, 75800, 77316, 79590, 85275, 90202, 95508, 96645, 106120, 107100, 113700, 115974, 119385, 128860, 132650, 135303, 136440, 154632, 159180, 161075, 170550, 180404, 191016, 193290, 198975, 214200, 225505, 227400, 231948, 238770, 257720, 265300, 270606, 289935, 318360, 322150, 341100, 360808, 386580, 397950, 405909, 451010, 463896, 477540, 483225, 530600, 541212, 579870, 596925, 644300, 676515, 682200, 773160, 795900, 811818, 902020, 955080, 966450, 1082424, 1127525, 1159740, 1193850, 1288600, 1353030, 1449675, 1591800, 1623636, 1804040, 1932900, 2029545, 2255050, 2319480, 2387700, 2706060, 2899350, 3247272, 3382575, 3865800, 4059090, 4510100, 4775400, 5412120, 5798700, 6765150, 8118180, 9020200, 10147725, 11597400, 13530300, 16236360, 20295450, 27060600, 40590900, 81181800]

約数ペア:

[(1, 81181800), (2, 40590900), (3, 27060600), (4, 20295450), (5, 16236360), (6, 13530300), (7, 11597400), (8, 10147725), (9, 9020200), (10, 8118180), (12, 6765150), (14, 5798700), (15, 5412120), (17, 4775400), (18, 4510100), (20, 4059090), (21, 3865800), (24, 3382575), (25, 3247272), (28, 2899350), (30, 2706060), (34, 2387700), (35, 2319480), (36, 2255050), (40, 2029545), (42, 1932900), (45, 1804040), (50, 1623636), (51, 1591800), (56, 1449675), (60, 1353030), (63, 1288600), (68, 1193850), (70, 1159740), (72, 1127525), (75, 1082424), (84, 966450), (85, 955080), (90, 902020), (100, 811818), (102, 795900), (105, 773160), (119, 682200), (120, 676515), (126, 644300), (136, 596925), (140, 579870), (150, 541212), (153, 530600), (168, 483225), (170, 477540), (175, 463896), (180, 451010), (200, 405909), (204, 397950), (210, 386580), (225, 360808), (238, 341100), (252, 322150), (255, 318360), (280, 289935), (300, 270606), (306, 265300), (315, 257720), (340, 238770), (350, 231948), (357, 227400), (360, 225505), (379, 214200), (408, 198975), (420, 193290), (425, 191016), (450, 180404), (476, 170550), (504, 161075), (510, 159180), (525, 154632), (595, 136440), (600, 135303), (612, 132650), (630, 128860), (680, 119385), (700, 115974), (714, 113700), (758, 107100), (765, 106120), (840, 96645), (850, 95508), (900, 90202), (952, 85275), (1020, 79590), (1050, 77316), (1071, 75800), (1137, 71400), (1190, 68220), (1224, 66325), (1260, 64430), (1275, 63672), (1400, 57987), (1428, 56850), (1516, 53550), (1530, 53060), (1575, 51544), (1700, 47754), (1785, 45480), (1800, 45101), (1895, 42840), (2040, 39795), (2100, 38658), (2142, 37900), (2274, 35700), (2380, 34110), (2520, 32215), (2550, 31836), (2653, 30600), (2856, 28425), (2975, 27288), (3032, 26775), (3060, 26530), (3150, 25772), (3400, 23877), (3411, 23800), (3570, 22740), (3790, 21420), (3825, 21224), (4200, 19329), (4284, 18950), (4548, 17850), (4760, 17055), (5100, 15918), (5306, 15300), (5355, 15160), (5685, 14280), (5950, 13644), (6120, 13265), (6300, 12886), (6443, 12600), (6822, 11900), (7140, 11370), (7580, 10710), (7650, 10612), (7959, 10200), (8568, 9475), (8925, 9096)]