18757440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:206

約数の個数: 224

約数和(自身を含む): 71688960

約数和(自身を除く): 52931520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 167, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 334, 351, 360, 390, 416, 432, 468, 480, 501, 520, 540, 576, 585, 624, 668, 702, 720, 780, 832, 835, 864, 936, 960, 1002, 1040, 1080, 1170, 1248, 1336, 1404, 1440, 1503, 1560, 1670, 1728, 1755, 1872, 2004, 2080, 2160, 2171, 2340, 2496, 2505, 2672, 2808, 2880, 3006, 3120, 3340, 3510, 3744, 4008, 4160, 4320, 4342, 4509, 4680, 5010, 5344, 5616, 6012, 6240, 6513, 6680, 7020, 7488, 7515, 8016, 8640, 8684, 9018, 9360, 10020, 10688, 10855, 11232, 12024, 12480, 13026, 13360, 14040, 15030, 16032, 17368, 18036, 18720, 19539, 20040, 21710, 22464, 22545, 24048, 26052, 26720, 28080, 30060, 32064, 32565, 34736, 36072, 37440, 39078, 40080, 43420, 45090, 48096, 52104, 53440, 56160, 58617, 60120, 65130, 69472, 72144, 78156, 80160, 86840, 90180, 96192, 97695, 104208, 112320, 117234, 120240, 130260, 138944, 144288, 156312, 160320, 173680, 180360, 195390, 208416, 234468, 240480, 260520, 288576, 293085, 312624, 347360, 360720, 390780, 416832, 468936, 480960, 521040, 586170, 625248, 694720, 721440, 781560, 937872, 1042080, 1172340, 1250496, 1442880, 1563120, 1875744, 2084160, 2344680, 3126240, 3751488, 4689360, 6252480, 9378720, 18757440]

約数ペア:

[(1, 18757440), (2, 9378720), (3, 6252480), (4, 4689360), (5, 3751488), (6, 3126240), (8, 2344680), (9, 2084160), (10, 1875744), (12, 1563120), (13, 1442880), (15, 1250496), (16, 1172340), (18, 1042080), (20, 937872), (24, 781560), (26, 721440), (27, 694720), (30, 625248), (32, 586170), (36, 521040), (39, 480960), (40, 468936), (45, 416832), (48, 390780), (52, 360720), (54, 347360), (60, 312624), (64, 293085), (65, 288576), (72, 260520), (78, 240480), (80, 234468), (90, 208416), (96, 195390), (104, 180360), (108, 173680), (117, 160320), (120, 156312), (130, 144288), (135, 138944), (144, 130260), (156, 120240), (160, 117234), (167, 112320), (180, 104208), (192, 97695), (195, 96192), (208, 90180), (216, 86840), (234, 80160), (240, 78156), (260, 72144), (270, 69472), (288, 65130), (312, 60120), (320, 58617), (334, 56160), (351, 53440), (360, 52104), (390, 48096), (416, 45090), (432, 43420), (468, 40080), (480, 39078), (501, 37440), (520, 36072), (540, 34736), (576, 32565), (585, 32064), (624, 30060), (668, 28080), (702, 26720), (720, 26052), (780, 24048), (832, 22545), (835, 22464), (864, 21710), (936, 20040), (960, 19539), (1002, 18720), (1040, 18036), (1080, 17368), (1170, 16032), (1248, 15030), (1336, 14040), (1404, 13360), (1440, 13026), (1503, 12480), (1560, 12024), (1670, 11232), (1728, 10855), (1755, 10688), (1872, 10020), (2004, 9360), (2080, 9018), (2160, 8684), (2171, 8640), (2340, 8016), (2496, 7515), (2505, 7488), (2672, 7020), (2808, 6680), (2880, 6513), (3006, 6240), (3120, 6012), (3340, 5616), (3510, 5344), (3744, 5010), (4008, 4680), (4160, 4509), (4320, 4342)]