840408690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:828

約数の個数: 128

約数和(自身を含む): 2296408320

約数和(自身を除く): 1455999630

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 137, 145, 165, 174, 274, 290, 319, 330, 411, 435, 638, 641, 685, 822, 870, 957, 1282, 1370, 1507, 1595, 1914, 1923, 2055, 3014, 3190, 3205, 3846, 3973, 4110, 4521, 4785, 6410, 7051, 7535, 7946, 9042, 9570, 9615, 11919, 14102, 15070, 18589, 19230, 19865, 21153, 22605, 23838, 35255, 37178, 39730, 42306, 43703, 45210, 55767, 59595, 70510, 87406, 87817, 92945, 105765, 111534, 119190, 131109, 175634, 185890, 204479, 211530, 218515, 262218, 263451, 278835, 408958, 437030, 439085, 526902, 557670, 613437, 655545, 878170, 965987, 1022395, 1226874, 1311090, 1317255, 1931974, 2044790, 2546693, 2634510, 2897961, 3067185, 4829935, 5093386, 5795922, 6134370, 7640079, 9659870, 12733465, 14489805, 15280158, 25466930, 28013623, 28979610, 38200395, 56027246, 76400790, 84040869, 140068115, 168081738, 280136230, 420204345, 840408690]

約数ペア:

[(1, 840408690), (2, 420204345), (3, 280136230), (5, 168081738), (6, 140068115), (10, 84040869), (11, 76400790), (15, 56027246), (22, 38200395), (29, 28979610), (30, 28013623), (33, 25466930), (55, 15280158), (58, 14489805), (66, 12733465), (87, 9659870), (110, 7640079), (137, 6134370), (145, 5795922), (165, 5093386), (174, 4829935), (274, 3067185), (290, 2897961), (319, 2634510), (330, 2546693), (411, 2044790), (435, 1931974), (638, 1317255), (641, 1311090), (685, 1226874), (822, 1022395), (870, 965987), (957, 878170), (1282, 655545), (1370, 613437), (1507, 557670), (1595, 526902), (1914, 439085), (1923, 437030), (2055, 408958), (3014, 278835), (3190, 263451), (3205, 262218), (3846, 218515), (3973, 211530), (4110, 204479), (4521, 185890), (4785, 175634), (6410, 131109), (7051, 119190), (7535, 111534), (7946, 105765), (9042, 92945), (9570, 87817), (9615, 87406), (11919, 70510), (14102, 59595), (15070, 55767), (18589, 45210), (19230, 43703), (19865, 42306), (21153, 39730), (22605, 37178), (23838, 35255)]