428995980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:586

約数の個数: 288

約数和(自身を含む): 1605703680

約数和(自身を除く): 1176707700

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, 49, 54, 60, 62, 63, 70, 84, 90, 93, 98, 105, 108, 124, 126, 135, 140, 147, 155, 180, 186, 189, 196, 210, 217, 245, 252, 270, 279, 294, 310, 315, 372, 378, 420, 434, 441, 465, 490, 523, 540, 558, 588, 620, 630, 651, 735, 756, 837, 868, 882, 930, 945, 980, 1046, 1085, 1116, 1260, 1302, 1323, 1395, 1470, 1519, 1569, 1674, 1764, 1860, 1890, 1953, 2092, 2170, 2205, 2604, 2615, 2646, 2790, 2940, 3038, 3138, 3255, 3348, 3661, 3780, 3906, 4185, 4340, 4410, 4557, 4707, 5230, 5292, 5580, 5859, 6076, 6276, 6510, 6615, 7322, 7595, 7812, 7845, 8370, 8820, 9114, 9414, 9765, 10460, 10983, 11718, 13020, 13230, 13671, 14121, 14644, 15190, 15690, 16213, 16740, 18228, 18305, 18828, 19530, 21966, 22785, 23436, 23535, 25627, 26460, 27342, 28242, 29295, 30380, 31380, 32426, 32949, 36610, 39060, 41013, 43932, 45570, 47070, 48639, 51254, 54684, 54915, 56484, 58590, 64852, 65898, 68355, 70605, 73220, 76881, 81065, 82026, 91140, 94140, 97278, 98847, 102508, 109830, 113491, 117180, 128135, 131796, 136710, 141210, 145917, 153762, 162130, 164052, 164745, 194556, 197694, 205065, 219660, 226982, 230643, 243195, 256270, 273420, 282420, 291834, 307524, 324260, 329490, 340473, 384405, 395388, 410130, 437751, 453964, 461286, 486390, 494235, 512540, 567455, 583668, 658980, 680946, 691929, 729585, 768810, 794437, 820260, 875502, 922572, 972780, 988470, 1021419, 1134910, 1153215, 1361892, 1383858, 1459170, 1537620, 1588874, 1702365, 1751004, 1976940, 2042838, 2188755, 2269820, 2306430, 2383311, 2767716, 2918340, 3064257, 3177748, 3404730, 3459645, 3972185, 4085676, 4377510, 4612860, 4766622, 5107095, 6128514, 6809460, 6919290, 7149933, 7944370, 8755020, 9533244, 10214190, 11916555, 12257028, 13838580, 14299866, 15321285, 15888740, 20428380, 21449799, 23833110, 28599732, 30642570, 35749665, 42899598, 47666220, 61285140, 71499330, 85799196, 107248995, 142998660, 214497990, 428995980]

約数ペア:

[(1, 428995980), (2, 214497990), (3, 142998660), (4, 107248995), (5, 85799196), (6, 71499330), (7, 61285140), (9, 47666220), (10, 42899598), (12, 35749665), (14, 30642570), (15, 28599732), (18, 23833110), (20, 21449799), (21, 20428380), (27, 15888740), (28, 15321285), (30, 14299866), (31, 13838580), (35, 12257028), (36, 11916555), (42, 10214190), (45, 9533244), (49, 8755020), (54, 7944370), (60, 7149933), (62, 6919290), (63, 6809460), (70, 6128514), (84, 5107095), (90, 4766622), (93, 4612860), (98, 4377510), (105, 4085676), (108, 3972185), (124, 3459645), (126, 3404730), (135, 3177748), (140, 3064257), (147, 2918340), (155, 2767716), (180, 2383311), (186, 2306430), (189, 2269820), (196, 2188755), (210, 2042838), (217, 1976940), (245, 1751004), (252, 1702365), (270, 1588874), (279, 1537620), (294, 1459170), (310, 1383858), (315, 1361892), (372, 1153215), (378, 1134910), (420, 1021419), (434, 988470), (441, 972780), (465, 922572), (490, 875502), (523, 820260), (540, 794437), (558, 768810), (588, 729585), (620, 691929), (630, 680946), (651, 658980), (735, 583668), (756, 567455), (837, 512540), (868, 494235), (882, 486390), (930, 461286), (945, 453964), (980, 437751), (1046, 410130), (1085, 395388), (1116, 384405), (1260, 340473), (1302, 329490), (1323, 324260), (1395, 307524), (1470, 291834), (1519, 282420), (1569, 273420), (1674, 256270), (1764, 243195), (1860, 230643), (1890, 226982), (1953, 219660), (2092, 205065), (2170, 197694), (2205, 194556), (2604, 164745), (2615, 164052), (2646, 162130), (2790, 153762), (2940, 145917), (3038, 141210), (3138, 136710), (3255, 131796), (3348, 128135), (3661, 117180), (3780, 113491), (3906, 109830), (4185, 102508), (4340, 98847), (4410, 97278), (4557, 94140), (4707, 91140), (5230, 82026), (5292, 81065), (5580, 76881), (5859, 73220), (6076, 70605), (6276, 68355), (6510, 65898), (6615, 64852), (7322, 58590), (7595, 56484), (7812, 54915), (7845, 54684), (8370, 51254), (8820, 48639), (9114, 47070), (9414, 45570), (9765, 43932), (10460, 41013), (10983, 39060), (11718, 36610), (13020, 32949), (13230, 32426), (13671, 31380), (14121, 30380), (14644, 29295), (15190, 28242), (15690, 27342), (16213, 26460), (16740, 25627), (18228, 23535), (18305, 23436), (18828, 22785), (19530, 21966)]