996537780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{823}}^1$

素因数の和:907

約数の個数: 216

約数和(自身を含む): 3574037376

約数和(自身を除く): 2577499596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 823, 868, 930, 961, 1085, 1116, 1260, 1302, 1395, 1646, 1860, 1922, 1953, 2170, 2469, 2604, 2790, 2883, 3255, 3292, 3844, 3906, 4115, 4340, 4805, 4938, 5580, 5761, 5766, 6510, 6727, 7407, 7812, 8230, 8649, 9610, 9765, 9876, 11522, 11532, 12345, 13020, 13454, 14415, 14814, 16460, 17283, 17298, 19220, 19530, 20181, 23044, 24690, 25513, 26908, 28805, 28830, 29628, 33635, 34566, 34596, 37035, 39060, 40362, 43245, 49380, 51026, 51849, 57610, 57660, 60543, 67270, 69132, 74070, 76539, 80724, 86415, 86490, 100905, 102052, 103698, 115220, 121086, 127565, 134540, 148140, 153078, 172830, 172980, 178591, 201810, 207396, 229617, 242172, 255130, 259245, 302715, 306156, 345660, 357182, 382695, 403620, 459234, 510260, 518490, 535773, 605430, 714364, 765390, 790903, 892955, 918468, 1036980, 1071546, 1148085, 1210860, 1530780, 1581806, 1607319, 1785910, 2143092, 2296170, 2372709, 2678865, 3163612, 3214638, 3571820, 3954515, 4592340, 4745418, 5357730, 5536321, 6429276, 7118127, 7909030, 8036595, 9490836, 10715460, 11072642, 11863545, 14236254, 15818060, 16073190, 16608963, 22145284, 23727090, 27681605, 28472508, 32146380, 33217926, 35590635, 47454180, 49826889, 55363210, 66435852, 71181270, 83044815, 99653778, 110726420, 142362540, 166089630, 199307556, 249134445, 332179260, 498268890, 996537780]

約数ペア:

[(1, 996537780), (2, 498268890), (3, 332179260), (4, 249134445), (5, 199307556), (6, 166089630), (7, 142362540), (9, 110726420), (10, 99653778), (12, 83044815), (14, 71181270), (15, 66435852), (18, 55363210), (20, 49826889), (21, 47454180), (28, 35590635), (30, 33217926), (31, 32146380), (35, 28472508), (36, 27681605), (42, 23727090), (45, 22145284), (60, 16608963), (62, 16073190), (63, 15818060), (70, 14236254), (84, 11863545), (90, 11072642), (93, 10715460), (105, 9490836), (124, 8036595), (126, 7909030), (140, 7118127), (155, 6429276), (180, 5536321), (186, 5357730), (210, 4745418), (217, 4592340), (252, 3954515), (279, 3571820), (310, 3214638), (315, 3163612), (372, 2678865), (420, 2372709), (434, 2296170), (465, 2143092), (558, 1785910), (620, 1607319), (630, 1581806), (651, 1530780), (823, 1210860), (868, 1148085), (930, 1071546), (961, 1036980), (1085, 918468), (1116, 892955), (1260, 790903), (1302, 765390), (1395, 714364), (1646, 605430), (1860, 535773), (1922, 518490), (1953, 510260), (2170, 459234), (2469, 403620), (2604, 382695), (2790, 357182), (2883, 345660), (3255, 306156), (3292, 302715), (3844, 259245), (3906, 255130), (4115, 242172), (4340, 229617), (4805, 207396), (4938, 201810), (5580, 178591), (5761, 172980), (5766, 172830), (6510, 153078), (6727, 148140), (7407, 134540), (7812, 127565), (8230, 121086), (8649, 115220), (9610, 103698), (9765, 102052), (9876, 100905), (11522, 86490), (11532, 86415), (12345, 80724), (13020, 76539), (13454, 74070), (14415, 69132), (14814, 67270), (16460, 60543), (17283, 57660), (17298, 57610), (19220, 51849), (19530, 51026), (20181, 49380), (23044, 43245), (24690, 40362), (25513, 39060), (26908, 37035), (28805, 34596), (28830, 34566), (29628, 33635)]