17989920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 216

約数和(自身を含む): 68314428

約数和(自身を除く): 50324508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 96, 104, 117, 120, 124, 130, 144, 155, 156, 160, 180, 186, 195, 208, 234, 240, 248, 260, 279, 288, 310, 312, 360, 372, 390, 403, 416, 465, 468, 480, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 961, 992, 1040, 1116, 1170, 1209, 1240, 1248, 1395, 1440, 1488, 1560, 1612, 1860, 1872, 1922, 2015, 2080, 2232, 2340, 2418, 2480, 2790, 2883, 2976, 3120, 3224, 3627, 3720, 3744, 3844, 4030, 4464, 4680, 4805, 4836, 4960, 5580, 5766, 6045, 6240, 6448, 7254, 7440, 7688, 8060, 8649, 8928, 9360, 9610, 9672, 11160, 11532, 12090, 12493, 12896, 14415, 14508, 14880, 15376, 16120, 17298, 18135, 18720, 19220, 19344, 22320, 23064, 24180, 24986, 28830, 29016, 30752, 32240, 34596, 36270, 37479, 38440, 38688, 43245, 44640, 46128, 48360, 49972, 57660, 58032, 62465, 64480, 69192, 72540, 74958, 76880, 86490, 92256, 96720, 99944, 112437, 115320, 116064, 124930, 138384, 145080, 149916, 153760, 172980, 187395, 193440, 199888, 224874, 230640, 249860, 276768, 290160, 299832, 345960, 374790, 399776, 449748, 461280, 499720, 562185, 580320, 599664, 691920, 749580, 899496, 999440, 1124370, 1199328, 1383840, 1499160, 1798992, 1998880, 2248740, 2998320, 3597984, 4497480, 5996640, 8994960, 17989920]

約数ペア:

[(1, 17989920), (2, 8994960), (3, 5996640), (4, 4497480), (5, 3597984), (6, 2998320), (8, 2248740), (9, 1998880), (10, 1798992), (12, 1499160), (13, 1383840), (15, 1199328), (16, 1124370), (18, 999440), (20, 899496), (24, 749580), (26, 691920), (30, 599664), (31, 580320), (32, 562185), (36, 499720), (39, 461280), (40, 449748), (45, 399776), (48, 374790), (52, 345960), (60, 299832), (62, 290160), (65, 276768), (72, 249860), (78, 230640), (80, 224874), (90, 199888), (93, 193440), (96, 187395), (104, 172980), (117, 153760), (120, 149916), (124, 145080), (130, 138384), (144, 124930), (155, 116064), (156, 115320), (160, 112437), (180, 99944), (186, 96720), (195, 92256), (208, 86490), (234, 76880), (240, 74958), (248, 72540), (260, 69192), (279, 64480), (288, 62465), (310, 58032), (312, 57660), (360, 49972), (372, 48360), (390, 46128), (403, 44640), (416, 43245), (465, 38688), (468, 38440), (480, 37479), (496, 36270), (520, 34596), (558, 32240), (585, 30752), (620, 29016), (624, 28830), (720, 24986), (744, 24180), (780, 23064), (806, 22320), (930, 19344), (936, 19220), (961, 18720), (992, 18135), (1040, 17298), (1116, 16120), (1170, 15376), (1209, 14880), (1240, 14508), (1248, 14415), (1395, 12896), (1440, 12493), (1488, 12090), (1560, 11532), (1612, 11160), (1860, 9672), (1872, 9610), (1922, 9360), (2015, 8928), (2080, 8649), (2232, 8060), (2340, 7688), (2418, 7440), (2480, 7254), (2790, 6448), (2883, 6240), (2976, 6045), (3120, 5766), (3224, 5580), (3627, 4960), (3720, 4836), (3744, 4805), (3844, 4680), (4030, 4464)]