1878885000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 240

約数和(自身を含む): 6513352560

約数和(自身を除く): 4634467560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 125, 129, 150, 172, 180, 200, 215, 225, 250, 258, 300, 344, 360, 375, 387, 430, 450, 500, 516, 600, 625, 645, 750, 774, 860, 900, 971, 1000, 1032, 1075, 1125, 1250, 1290, 1500, 1548, 1720, 1800, 1875, 1935, 1942, 2150, 2250, 2500, 2580, 2913, 3000, 3096, 3225, 3750, 3870, 3884, 4300, 4500, 4855, 5000, 5160, 5375, 5625, 5826, 6450, 7500, 7740, 7768, 8600, 8739, 9000, 9675, 9710, 10750, 11250, 11652, 12900, 14565, 15000, 15480, 16125, 17478, 19350, 19420, 21500, 22500, 23304, 24275, 25800, 26875, 29130, 32250, 34956, 38700, 38840, 41753, 43000, 43695, 45000, 48375, 48550, 53750, 58260, 64500, 69912, 72825, 77400, 80625, 83506, 87390, 96750, 97100, 107500, 116520, 121375, 125259, 129000, 145650, 161250, 167012, 174780, 193500, 194200, 208765, 215000, 218475, 241875, 242750, 250518, 291300, 322500, 334024, 349560, 364125, 375777, 387000, 417530, 436950, 483750, 485500, 501036, 582600, 606875, 626295, 645000, 728250, 751554, 835060, 873900, 967500, 971000, 1002072, 1043825, 1092375, 1213750, 1252590, 1456500, 1503108, 1670120, 1747800, 1820625, 1878885, 1935000, 2087650, 2184750, 2427500, 2505180, 2913000, 3006216, 3131475, 3641250, 3757770, 4175300, 4369500, 4855000, 5010360, 5219125, 5461875, 6262950, 7282500, 7515540, 8350600, 8739000, 9394425, 10438250, 10923750, 12525900, 14565000, 15031080, 15657375, 18788850, 20876500, 21847500, 25051800, 26095625, 31314750, 37577700, 41753000, 43695000, 46972125, 52191250, 62629500, 75155400, 78286875, 93944250, 104382500, 125259000, 156573750, 187888500, 208765000, 234860625, 313147500, 375777000, 469721250, 626295000, 939442500, 1878885000]

約数ペア:

[(1, 1878885000), (2, 939442500), (3, 626295000), (4, 469721250), (5, 375777000), (6, 313147500), (8, 234860625), (9, 208765000), (10, 187888500), (12, 156573750), (15, 125259000), (18, 104382500), (20, 93944250), (24, 78286875), (25, 75155400), (30, 62629500), (36, 52191250), (40, 46972125), (43, 43695000), (45, 41753000), (50, 37577700), (60, 31314750), (72, 26095625), (75, 25051800), (86, 21847500), (90, 20876500), (100, 18788850), (120, 15657375), (125, 15031080), (129, 14565000), (150, 12525900), (172, 10923750), (180, 10438250), (200, 9394425), (215, 8739000), (225, 8350600), (250, 7515540), (258, 7282500), (300, 6262950), (344, 5461875), (360, 5219125), (375, 5010360), (387, 4855000), (430, 4369500), (450, 4175300), (500, 3757770), (516, 3641250), (600, 3131475), (625, 3006216), (645, 2913000), (750, 2505180), (774, 2427500), (860, 2184750), (900, 2087650), (971, 1935000), (1000, 1878885), (1032, 1820625), (1075, 1747800), (1125, 1670120), (1250, 1503108), (1290, 1456500), (1500, 1252590), (1548, 1213750), (1720, 1092375), (1800, 1043825), (1875, 1002072), (1935, 971000), (1942, 967500), (2150, 873900), (2250, 835060), (2500, 751554), (2580, 728250), (2913, 645000), (3000, 626295), (3096, 606875), (3225, 582600), (3750, 501036), (3870, 485500), (3884, 483750), (4300, 436950), (4500, 417530), (4855, 387000), (5000, 375777), (5160, 364125), (5375, 349560), (5625, 334024), (5826, 322500), (6450, 291300), (7500, 250518), (7740, 242750), (7768, 241875), (8600, 218475), (8739, 215000), (9000, 208765), (9675, 194200), (9710, 193500), (10750, 174780), (11250, 167012), (11652, 161250), (12900, 145650), (14565, 129000), (15000, 125259), (15480, 121375), (16125, 116520), (17478, 107500), (19350, 97100), (19420, 96750), (21500, 87390), (22500, 83506), (23304, 80625), (24275, 77400), (25800, 72825), (26875, 69912), (29130, 64500), (32250, 58260), (34956, 53750), (38700, 48550), (38840, 48375), (41753, 45000), (43000, 43695)]