281638080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:944

約数の個数: 224

約数和(自身を含む): 1021567680

約数和(自身を除く): 739929600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 432, 444, 480, 540, 555, 576, 592, 666, 720, 740, 864, 881, 888, 960, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1665, 1728, 1762, 1776, 1998, 2160, 2220, 2368, 2643, 2664, 2880, 2960, 3330, 3524, 3552, 3996, 4320, 4405, 4440, 4995, 5286, 5328, 5920, 6660, 7048, 7104, 7929, 7992, 8640, 8810, 8880, 9990, 10572, 10656, 11840, 13215, 13320, 14096, 15858, 15984, 17620, 17760, 19980, 21144, 21312, 23787, 26430, 26640, 28192, 31716, 31968, 32597, 35240, 35520, 39645, 39960, 42288, 47574, 52860, 53280, 56384, 63432, 63936, 65194, 70480, 79290, 79920, 84576, 95148, 97791, 105720, 106560, 118935, 126864, 130388, 140960, 158580, 159840, 162985, 169152, 190296, 195582, 211440, 237870, 253728, 260776, 281920, 293373, 317160, 319680, 325970, 380592, 391164, 422880, 475740, 488955, 507456, 521552, 586746, 634320, 651940, 761184, 782328, 845760, 880119, 951480, 977910, 1043104, 1173492, 1268640, 1303880, 1466865, 1522368, 1564656, 1760238, 1902960, 1955820, 2086208, 2346984, 2537280, 2607760, 2933730, 3129312, 3520476, 3805920, 3911640, 4400595, 4693968, 5215520, 5867460, 6258624, 7040952, 7611840, 7823280, 8801190, 9387936, 10431040, 11734920, 14081904, 15646560, 17602380, 18775872, 23469840, 28163808, 31293120, 35204760, 46939680, 56327616, 70409520, 93879360, 140819040, 281638080]

約数ペア:

[(1, 281638080), (2, 140819040), (3, 93879360), (4, 70409520), (5, 56327616), (6, 46939680), (8, 35204760), (9, 31293120), (10, 28163808), (12, 23469840), (15, 18775872), (16, 17602380), (18, 15646560), (20, 14081904), (24, 11734920), (27, 10431040), (30, 9387936), (32, 8801190), (36, 7823280), (37, 7611840), (40, 7040952), (45, 6258624), (48, 5867460), (54, 5215520), (60, 4693968), (64, 4400595), (72, 3911640), (74, 3805920), (80, 3520476), (90, 3129312), (96, 2933730), (108, 2607760), (111, 2537280), (120, 2346984), (135, 2086208), (144, 1955820), (148, 1902960), (160, 1760238), (180, 1564656), (185, 1522368), (192, 1466865), (216, 1303880), (222, 1268640), (240, 1173492), (270, 1043104), (288, 977910), (296, 951480), (320, 880119), (333, 845760), (360, 782328), (370, 761184), (432, 651940), (444, 634320), (480, 586746), (540, 521552), (555, 507456), (576, 488955), (592, 475740), (666, 422880), (720, 391164), (740, 380592), (864, 325970), (881, 319680), (888, 317160), (960, 293373), (999, 281920), (1080, 260776), (1110, 253728), (1184, 237870), (1332, 211440), (1440, 195582), (1480, 190296), (1665, 169152), (1728, 162985), (1762, 159840), (1776, 158580), (1998, 140960), (2160, 130388), (2220, 126864), (2368, 118935), (2643, 106560), (2664, 105720), (2880, 97791), (2960, 95148), (3330, 84576), (3524, 79920), (3552, 79290), (3996, 70480), (4320, 65194), (4405, 63936), (4440, 63432), (4995, 56384), (5286, 53280), (5328, 52860), (5920, 47574), (6660, 42288), (7048, 39960), (7104, 39645), (7929, 35520), (7992, 35240), (8640, 32597), (8810, 31968), (8880, 31716), (9990, 28192), (10572, 26640), (10656, 26430), (11840, 23787), (13215, 21312), (13320, 21144), (14096, 19980), (15858, 17760), (15984, 17620)]