1991852640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2389}}^1$

素因数の和:2606

約数の個数: 192

約数和(自身を含む): 7010539200

約数和(自身を除く): 5018686560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 193, 216, 240, 270, 288, 360, 386, 432, 480, 540, 579, 720, 772, 864, 965, 1080, 1158, 1440, 1544, 1737, 1930, 2160, 2316, 2389, 2895, 3088, 3474, 3860, 4320, 4632, 4778, 5211, 5790, 6176, 6948, 7167, 7720, 8685, 9264, 9556, 10422, 11580, 11945, 13896, 14334, 15440, 17370, 18528, 19112, 20844, 21501, 23160, 23890, 26055, 27792, 28668, 30880, 34740, 35835, 38224, 41688, 43002, 46320, 47780, 52110, 55584, 57336, 64503, 69480, 71670, 76448, 83376, 86004, 92640, 95560, 104220, 107505, 114672, 129006, 138960, 143340, 166752, 172008, 191120, 208440, 215010, 229344, 258012, 277920, 286680, 322515, 344016, 382240, 416880, 430020, 461077, 516024, 573360, 645030, 688032, 833760, 860040, 922154, 1032048, 1146720, 1290060, 1383231, 1720080, 1844308, 2064096, 2305385, 2580120, 2766462, 3440160, 3688616, 4149693, 4610770, 5160240, 5532924, 6916155, 7377232, 8299386, 9221540, 10320480, 11065848, 12449079, 13832310, 14754464, 16598772, 18443080, 20748465, 22131696, 24898158, 27664620, 33197544, 36886160, 41496930, 44263392, 49796316, 55329240, 62245395, 66395088, 73772320, 82993860, 99592632, 110658480, 124490790, 132790176, 165987720, 199185264, 221316960, 248981580, 331975440, 398370528, 497963160, 663950880, 995926320, 1991852640]

約数ペア:

[(1, 1991852640), (2, 995926320), (3, 663950880), (4, 497963160), (5, 398370528), (6, 331975440), (8, 248981580), (9, 221316960), (10, 199185264), (12, 165987720), (15, 132790176), (16, 124490790), (18, 110658480), (20, 99592632), (24, 82993860), (27, 73772320), (30, 66395088), (32, 62245395), (36, 55329240), (40, 49796316), (45, 44263392), (48, 41496930), (54, 36886160), (60, 33197544), (72, 27664620), (80, 24898158), (90, 22131696), (96, 20748465), (108, 18443080), (120, 16598772), (135, 14754464), (144, 13832310), (160, 12449079), (180, 11065848), (193, 10320480), (216, 9221540), (240, 8299386), (270, 7377232), (288, 6916155), (360, 5532924), (386, 5160240), (432, 4610770), (480, 4149693), (540, 3688616), (579, 3440160), (720, 2766462), (772, 2580120), (864, 2305385), (965, 2064096), (1080, 1844308), (1158, 1720080), (1440, 1383231), (1544, 1290060), (1737, 1146720), (1930, 1032048), (2160, 922154), (2316, 860040), (2389, 833760), (2895, 688032), (3088, 645030), (3474, 573360), (3860, 516024), (4320, 461077), (4632, 430020), (4778, 416880), (5211, 382240), (5790, 344016), (6176, 322515), (6948, 286680), (7167, 277920), (7720, 258012), (8685, 229344), (9264, 215010), (9556, 208440), (10422, 191120), (11580, 172008), (11945, 166752), (13896, 143340), (14334, 138960), (15440, 129006), (17370, 114672), (18528, 107505), (19112, 104220), (20844, 95560), (21501, 92640), (23160, 86004), (23890, 83376), (26055, 76448), (27792, 71670), (28668, 69480), (30880, 64503), (34740, 57336), (35835, 55584), (38224, 52110), (41688, 47780), (43002, 46320)]