77614880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 220739904

約数和(自身を除く): 143125024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 131, 140, 160, 161, 184, 224, 230, 262, 280, 322, 368, 460, 524, 529, 560, 644, 655, 736, 805, 917, 920, 1048, 1058, 1120, 1288, 1310, 1610, 1834, 1840, 2096, 2116, 2576, 2620, 2645, 3013, 3220, 3668, 3680, 3703, 4192, 4232, 4585, 5152, 5240, 5290, 6026, 6440, 7336, 7406, 8464, 9170, 10480, 10580, 12052, 12880, 14672, 14812, 15065, 16928, 18340, 18515, 20960, 21091, 21160, 24104, 25760, 29344, 29624, 30130, 36680, 37030, 42182, 42320, 48208, 59248, 60260, 69299, 73360, 74060, 84364, 84640, 96416, 105455, 118496, 120520, 138598, 146720, 148120, 168728, 210910, 241040, 277196, 296240, 337456, 346495, 421820, 482080, 485093, 554392, 592480, 674912, 692990, 843640, 970186, 1108784, 1385980, 1687280, 1940372, 2217568, 2425465, 2771960, 3374560, 3880744, 4850930, 5543920, 7761488, 9701860, 11087840, 15522976, 19403720, 38807440, 77614880]

約数ペア:

[(1, 77614880), (2, 38807440), (4, 19403720), (5, 15522976), (7, 11087840), (8, 9701860), (10, 7761488), (14, 5543920), (16, 4850930), (20, 3880744), (23, 3374560), (28, 2771960), (32, 2425465), (35, 2217568), (40, 1940372), (46, 1687280), (56, 1385980), (70, 1108784), (80, 970186), (92, 843640), (112, 692990), (115, 674912), (131, 592480), (140, 554392), (160, 485093), (161, 482080), (184, 421820), (224, 346495), (230, 337456), (262, 296240), (280, 277196), (322, 241040), (368, 210910), (460, 168728), (524, 148120), (529, 146720), (560, 138598), (644, 120520), (655, 118496), (736, 105455), (805, 96416), (917, 84640), (920, 84364), (1048, 74060), (1058, 73360), (1120, 69299), (1288, 60260), (1310, 59248), (1610, 48208), (1834, 42320), (1840, 42182), (2096, 37030), (2116, 36680), (2576, 30130), (2620, 29624), (2645, 29344), (3013, 25760), (3220, 24104), (3668, 21160), (3680, 21091), (3703, 20960), (4192, 18515), (4232, 18340), (4585, 16928), (5152, 15065), (5240, 14812), (5290, 14672), (6026, 12880), (6440, 12052), (7336, 10580), (7406, 10480), (8464, 9170)]