213384780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:666

約数の個数: 240

約数和(自身を含む): 791003136

約数和(自身を除く): 577618356

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, 607, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1214, 1260, 1302, 1395, 1620, 1674, 1821, 1860, 1890, 1953, 2170, 2268, 2428, 2511, 2604, 2790, 2835, 3035, 3255, 3348, 3642, 3780, 3906, 4185, 4249, 4340, 5022, 5463, 5580, 5670, 5859, 6070, 6510, 7284, 7812, 8370, 8498, 9105, 9765, 10044, 10926, 11340, 11718, 12140, 12555, 12747, 13020, 16389, 16740, 16996, 17577, 18210, 18817, 19530, 21245, 21852, 23436, 25110, 25494, 27315, 29295, 32778, 35154, 36420, 37634, 38241, 39060, 42490, 49167, 50220, 50988, 54630, 56451, 58590, 63735, 65556, 70308, 75268, 76482, 81945, 84980, 87885, 94085, 98334, 109260, 112902, 114723, 117180, 127470, 131719, 152964, 163890, 169353, 175770, 188170, 191205, 196668, 225804, 229446, 245835, 254940, 263438, 282255, 327780, 338706, 344169, 351540, 376340, 382410, 395157, 458892, 491670, 508059, 526876, 564510, 573615, 658595, 677412, 688338, 764820, 790314, 846765, 983340, 1016118, 1129020, 1147230, 1185471, 1317190, 1376676, 1524177, 1580628, 1693530, 1720845, 1975785, 2032236, 2294460, 2370942, 2540295, 2634380, 3048354, 3387060, 3441690, 3556413, 3951570, 4741884, 5080590, 5927355, 6096708, 6883380, 7112826, 7620885, 7903140, 10161180, 10669239, 11854710, 14225652, 15241770, 17782065, 21338478, 23709420, 30483540, 35564130, 42676956, 53346195, 71128260, 106692390, 213384780]

約数ペア:

[(1, 213384780), (2, 106692390), (3, 71128260), (4, 53346195), (5, 42676956), (6, 35564130), (7, 30483540), (9, 23709420), (10, 21338478), (12, 17782065), (14, 15241770), (15, 14225652), (18, 11854710), (20, 10669239), (21, 10161180), (27, 7903140), (28, 7620885), (30, 7112826), (31, 6883380), (35, 6096708), (36, 5927355), (42, 5080590), (45, 4741884), (54, 3951570), (60, 3556413), (62, 3441690), (63, 3387060), (70, 3048354), (81, 2634380), (84, 2540295), (90, 2370942), (93, 2294460), (105, 2032236), (108, 1975785), (124, 1720845), (126, 1693530), (135, 1580628), (140, 1524177), (155, 1376676), (162, 1317190), (180, 1185471), (186, 1147230), (189, 1129020), (210, 1016118), (217, 983340), (252, 846765), (270, 790314), (279, 764820), (310, 688338), (315, 677412), (324, 658595), (372, 573615), (378, 564510), (405, 526876), (420, 508059), (434, 491670), (465, 458892), (540, 395157), (558, 382410), (567, 376340), (607, 351540), (620, 344169), (630, 338706), (651, 327780), (756, 282255), (810, 263438), (837, 254940), (868, 245835), (930, 229446), (945, 225804), (1085, 196668), (1116, 191205), (1134, 188170), (1214, 175770), (1260, 169353), (1302, 163890), (1395, 152964), (1620, 131719), (1674, 127470), (1821, 117180), (1860, 114723), (1890, 112902), (1953, 109260), (2170, 98334), (2268, 94085), (2428, 87885), (2511, 84980), (2604, 81945), (2790, 76482), (2835, 75268), (3035, 70308), (3255, 65556), (3348, 63735), (3642, 58590), (3780, 56451), (3906, 54630), (4185, 50988), (4249, 50220), (4340, 49167), (5022, 42490), (5463, 39060), (5580, 38241), (5670, 37634), (5859, 36420), (6070, 35154), (6510, 32778), (7284, 29295), (7812, 27315), (8370, 25494), (8498, 25110), (9105, 23436), (9765, 21852), (10044, 21245), (10926, 19530), (11340, 18817), (11718, 18210), (12140, 17577), (12555, 16996), (12747, 16740), (13020, 16389)]