312339720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 288

約数和(自身を含む): 1200830400

約数和(自身を除く): 888490680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 121, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 242, 245, 264, 280, 294, 308, 330, 363, 385, 392, 420, 439, 440, 462, 484, 490, 539, 588, 605, 616, 660, 726, 735, 770, 840, 847, 878, 924, 968, 980, 1078, 1155, 1176, 1210, 1317, 1320, 1452, 1470, 1540, 1617, 1694, 1756, 1815, 1848, 1960, 2156, 2195, 2310, 2420, 2541, 2634, 2695, 2904, 2940, 3073, 3080, 3234, 3388, 3512, 3630, 4235, 4312, 4390, 4620, 4829, 4840, 5082, 5268, 5390, 5880, 5929, 6146, 6468, 6585, 6776, 7260, 8085, 8470, 8780, 9219, 9240, 9658, 10164, 10536, 10780, 11858, 12292, 12705, 12936, 13170, 14487, 14520, 15365, 16170, 16940, 17560, 17787, 18438, 19316, 20328, 21511, 21560, 23716, 24145, 24584, 25410, 26340, 28974, 29645, 30730, 32340, 33803, 33880, 35574, 36876, 38632, 43022, 46095, 47432, 48290, 50820, 52680, 53119, 57948, 59290, 61460, 64533, 64680, 67606, 71148, 72435, 73752, 86044, 88935, 92190, 96580, 101409, 101640, 106238, 107555, 115896, 118580, 122920, 129066, 135212, 142296, 144870, 159357, 169015, 172088, 177870, 184380, 193160, 202818, 212476, 215110, 236621, 237160, 258132, 265595, 270424, 289740, 318714, 322665, 338030, 355740, 368760, 371833, 405636, 424952, 430220, 473242, 507045, 516264, 531190, 579480, 637428, 645330, 676060, 709863, 711480, 743666, 796785, 811272, 860440, 946484, 1014090, 1062380, 1115499, 1183105, 1274856, 1290660, 1352120, 1419726, 1487332, 1593570, 1859165, 1892968, 2028180, 2124760, 2230998, 2366210, 2581320, 2602831, 2839452, 2974664, 3187140, 3549315, 3718330, 4056360, 4461996, 4732420, 5205662, 5577495, 5678904, 6374280, 7098630, 7436660, 7808493, 8923992, 9464840, 10411324, 11154990, 13014155, 14197260, 14873320, 15616986, 20822648, 22309980, 26028310, 28394520, 31233972, 39042465, 44619960, 52056620, 62467944, 78084930, 104113240, 156169860, 312339720]

約数ペア:

[(1, 312339720), (2, 156169860), (3, 104113240), (4, 78084930), (5, 62467944), (6, 52056620), (7, 44619960), (8, 39042465), (10, 31233972), (11, 28394520), (12, 26028310), (14, 22309980), (15, 20822648), (20, 15616986), (21, 14873320), (22, 14197260), (24, 13014155), (28, 11154990), (30, 10411324), (33, 9464840), (35, 8923992), (40, 7808493), (42, 7436660), (44, 7098630), (49, 6374280), (55, 5678904), (56, 5577495), (60, 5205662), (66, 4732420), (70, 4461996), (77, 4056360), (84, 3718330), (88, 3549315), (98, 3187140), (105, 2974664), (110, 2839452), (120, 2602831), (121, 2581320), (132, 2366210), (140, 2230998), (147, 2124760), (154, 2028180), (165, 1892968), (168, 1859165), (196, 1593570), (210, 1487332), (220, 1419726), (231, 1352120), (242, 1290660), (245, 1274856), (264, 1183105), (280, 1115499), (294, 1062380), (308, 1014090), (330, 946484), (363, 860440), (385, 811272), (392, 796785), (420, 743666), (439, 711480), (440, 709863), (462, 676060), (484, 645330), (490, 637428), (539, 579480), (588, 531190), (605, 516264), (616, 507045), (660, 473242), (726, 430220), (735, 424952), (770, 405636), (840, 371833), (847, 368760), (878, 355740), (924, 338030), (968, 322665), (980, 318714), (1078, 289740), (1155, 270424), (1176, 265595), (1210, 258132), (1317, 237160), (1320, 236621), (1452, 215110), (1470, 212476), (1540, 202818), (1617, 193160), (1694, 184380), (1756, 177870), (1815, 172088), (1848, 169015), (1960, 159357), (2156, 144870), (2195, 142296), (2310, 135212), (2420, 129066), (2541, 122920), (2634, 118580), (2695, 115896), (2904, 107555), (2940, 106238), (3073, 101640), (3080, 101409), (3234, 96580), (3388, 92190), (3512, 88935), (3630, 86044), (4235, 73752), (4312, 72435), (4390, 71148), (4620, 67606), (4829, 64680), (4840, 64533), (5082, 61460), (5268, 59290), (5390, 57948), (5880, 53119), (5929, 52680), (6146, 50820), (6468, 48290), (6585, 47432), (6776, 46095), (7260, 43022), (8085, 38632), (8470, 36876), (8780, 35574), (9219, 33880), (9240, 33803), (9658, 32340), (10164, 30730), (10536, 29645), (10780, 28974), (11858, 26340), (12292, 25410), (12705, 24584), (12936, 24145), (13170, 23716), (14487, 21560), (14520, 21511), (15365, 20328), (16170, 19316), (16940, 18438), (17560, 17787)]