21754560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 224

約数和(自身を含む): 77248512

約数和(自身を除く): 55493952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 43, 48, 51, 60, 62, 64, 68, 80, 85, 86, 93, 96, 102, 120, 124, 129, 136, 155, 160, 170, 172, 186, 192, 204, 215, 240, 248, 255, 258, 272, 310, 320, 340, 344, 372, 408, 430, 465, 480, 496, 510, 516, 527, 544, 620, 645, 680, 688, 731, 744, 816, 860, 930, 960, 992, 1020, 1032, 1054, 1088, 1240, 1290, 1333, 1360, 1376, 1462, 1488, 1581, 1632, 1720, 1860, 1984, 2040, 2064, 2108, 2193, 2480, 2580, 2635, 2666, 2720, 2752, 2924, 2976, 3162, 3264, 3440, 3655, 3720, 3999, 4080, 4128, 4216, 4386, 4960, 5160, 5270, 5332, 5440, 5848, 5952, 6324, 6665, 6880, 7310, 7440, 7905, 7998, 8160, 8256, 8432, 8772, 9920, 10320, 10540, 10664, 10965, 11696, 12648, 13330, 13760, 14620, 14880, 15810, 15996, 16320, 16864, 17544, 19995, 20640, 21080, 21328, 21930, 22661, 23392, 25296, 26660, 29240, 29760, 31620, 31992, 33728, 35088, 39990, 41280, 42160, 42656, 43860, 45322, 46784, 50592, 53320, 58480, 63240, 63984, 67983, 70176, 79980, 84320, 85312, 87720, 90644, 101184, 106640, 113305, 116960, 126480, 127968, 135966, 140352, 159960, 168640, 175440, 181288, 213280, 226610, 233920, 252960, 255936, 271932, 319920, 339915, 350880, 362576, 426560, 453220, 505920, 543864, 639840, 679830, 701760, 725152, 906440, 1087728, 1279680, 1359660, 1450304, 1812880, 2175456, 2719320, 3625760, 4350912, 5438640, 7251520, 10877280, 21754560]

約数ペア:

[(1, 21754560), (2, 10877280), (3, 7251520), (4, 5438640), (5, 4350912), (6, 3625760), (8, 2719320), (10, 2175456), (12, 1812880), (15, 1450304), (16, 1359660), (17, 1279680), (20, 1087728), (24, 906440), (30, 725152), (31, 701760), (32, 679830), (34, 639840), (40, 543864), (43, 505920), (48, 453220), (51, 426560), (60, 362576), (62, 350880), (64, 339915), (68, 319920), (80, 271932), (85, 255936), (86, 252960), (93, 233920), (96, 226610), (102, 213280), (120, 181288), (124, 175440), (129, 168640), (136, 159960), (155, 140352), (160, 135966), (170, 127968), (172, 126480), (186, 116960), (192, 113305), (204, 106640), (215, 101184), (240, 90644), (248, 87720), (255, 85312), (258, 84320), (272, 79980), (310, 70176), (320, 67983), (340, 63984), (344, 63240), (372, 58480), (408, 53320), (430, 50592), (465, 46784), (480, 45322), (496, 43860), (510, 42656), (516, 42160), (527, 41280), (544, 39990), (620, 35088), (645, 33728), (680, 31992), (688, 31620), (731, 29760), (744, 29240), (816, 26660), (860, 25296), (930, 23392), (960, 22661), (992, 21930), (1020, 21328), (1032, 21080), (1054, 20640), (1088, 19995), (1240, 17544), (1290, 16864), (1333, 16320), (1360, 15996), (1376, 15810), (1462, 14880), (1488, 14620), (1581, 13760), (1632, 13330), (1720, 12648), (1860, 11696), (1984, 10965), (2040, 10664), (2064, 10540), (2108, 10320), (2193, 9920), (2480, 8772), (2580, 8432), (2635, 8256), (2666, 8160), (2720, 7998), (2752, 7905), (2924, 7440), (2976, 7310), (3162, 6880), (3264, 6665), (3440, 6324), (3655, 5952), (3720, 5848), (3999, 5440), (4080, 5332), (4128, 5270), (4216, 5160), (4386, 4960)]