289317420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:882

約数の個数: 240

約数和(自身を含む): 1072017408

約数和(自身を除く): 782699988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 620, 630, 651, 756, 810, 823, 837, 868, 930, 945, 1085, 1116, 1134, 1260, 1302, 1395, 1620, 1646, 1674, 1860, 1890, 1953, 2170, 2268, 2469, 2511, 2604, 2790, 2835, 3255, 3292, 3348, 3780, 3906, 4115, 4185, 4340, 4938, 5022, 5580, 5670, 5761, 5859, 6510, 7407, 7812, 8230, 8370, 9765, 9876, 10044, 11340, 11522, 11718, 12345, 12555, 13020, 14814, 16460, 16740, 17283, 17577, 19530, 22221, 23044, 23436, 24690, 25110, 25513, 28805, 29295, 29628, 34566, 35154, 37035, 39060, 44442, 49380, 50220, 51026, 51849, 57610, 58590, 66663, 69132, 70308, 74070, 76539, 86415, 87885, 88884, 102052, 103698, 111105, 115220, 117180, 127565, 133326, 148140, 153078, 155547, 172830, 175770, 178591, 207396, 222210, 229617, 255130, 259245, 266652, 306156, 311094, 333315, 345660, 351540, 357182, 382695, 444420, 459234, 466641, 510260, 518490, 535773, 622188, 666630, 688851, 714364, 765390, 777735, 892955, 918468, 933282, 1036980, 1071546, 1148085, 1333260, 1377702, 1530780, 1555470, 1607319, 1785910, 1866564, 2066553, 2143092, 2296170, 2333205, 2678865, 2755404, 3110940, 3214638, 3444255, 3571820, 4133106, 4592340, 4666410, 4821957, 5357730, 6429276, 6888510, 8036595, 8266212, 9332820, 9643914, 10332765, 10715460, 13777020, 14465871, 16073190, 19287828, 20665530, 24109785, 28931742, 32146380, 41331060, 48219570, 57863484, 72329355, 96439140, 144658710, 289317420]

約数ペア:

[(1, 289317420), (2, 144658710), (3, 96439140), (4, 72329355), (5, 57863484), (6, 48219570), (7, 41331060), (9, 32146380), (10, 28931742), (12, 24109785), (14, 20665530), (15, 19287828), (18, 16073190), (20, 14465871), (21, 13777020), (27, 10715460), (28, 10332765), (30, 9643914), (31, 9332820), (35, 8266212), (36, 8036595), (42, 6888510), (45, 6429276), (54, 5357730), (60, 4821957), (62, 4666410), (63, 4592340), (70, 4133106), (81, 3571820), (84, 3444255), (90, 3214638), (93, 3110940), (105, 2755404), (108, 2678865), (124, 2333205), (126, 2296170), (135, 2143092), (140, 2066553), (155, 1866564), (162, 1785910), (180, 1607319), (186, 1555470), (189, 1530780), (210, 1377702), (217, 1333260), (252, 1148085), (270, 1071546), (279, 1036980), (310, 933282), (315, 918468), (324, 892955), (372, 777735), (378, 765390), (405, 714364), (420, 688851), (434, 666630), (465, 622188), (540, 535773), (558, 518490), (567, 510260), (620, 466641), (630, 459234), (651, 444420), (756, 382695), (810, 357182), (823, 351540), (837, 345660), (868, 333315), (930, 311094), (945, 306156), (1085, 266652), (1116, 259245), (1134, 255130), (1260, 229617), (1302, 222210), (1395, 207396), (1620, 178591), (1646, 175770), (1674, 172830), (1860, 155547), (1890, 153078), (1953, 148140), (2170, 133326), (2268, 127565), (2469, 117180), (2511, 115220), (2604, 111105), (2790, 103698), (2835, 102052), (3255, 88884), (3292, 87885), (3348, 86415), (3780, 76539), (3906, 74070), (4115, 70308), (4185, 69132), (4340, 66663), (4938, 58590), (5022, 57610), (5580, 51849), (5670, 51026), (5761, 50220), (5859, 49380), (6510, 44442), (7407, 39060), (7812, 37035), (8230, 35154), (8370, 34566), (9765, 29628), (9876, 29295), (10044, 28805), (11340, 25513), (11522, 25110), (11718, 24690), (12345, 23436), (12555, 23044), (13020, 22221), (14814, 19530), (16460, 17577), (16740, 17283)]