18726480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:889

約数の個数: 120

約数和(自身を含む): 64995840

約数和(自身を除く): 46269360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 839, 930, 1116, 1240, 1395, 1488, 1678, 1860, 2232, 2480, 2517, 2790, 3356, 3720, 4195, 4464, 5034, 5580, 6712, 7440, 7551, 8390, 10068, 11160, 12585, 13424, 15102, 16780, 20136, 22320, 25170, 26009, 30204, 33560, 37755, 40272, 50340, 52018, 60408, 67120, 75510, 78027, 100680, 104036, 120816, 130045, 151020, 156054, 201360, 208072, 234081, 260090, 302040, 312108, 390135, 416144, 468162, 520180, 604080, 624216, 780270, 936324, 1040360, 1170405, 1248432, 1560540, 1872648, 2080720, 2340810, 3121080, 3745296, 4681620, 6242160, 9363240, 18726480]

約数ペア:

[(1, 18726480), (2, 9363240), (3, 6242160), (4, 4681620), (5, 3745296), (6, 3121080), (8, 2340810), (9, 2080720), (10, 1872648), (12, 1560540), (15, 1248432), (16, 1170405), (18, 1040360), (20, 936324), (24, 780270), (30, 624216), (31, 604080), (36, 520180), (40, 468162), (45, 416144), (48, 390135), (60, 312108), (62, 302040), (72, 260090), (80, 234081), (90, 208072), (93, 201360), (120, 156054), (124, 151020), (144, 130045), (155, 120816), (180, 104036), (186, 100680), (240, 78027), (248, 75510), (279, 67120), (310, 60408), (360, 52018), (372, 50340), (465, 40272), (496, 37755), (558, 33560), (620, 30204), (720, 26009), (744, 25170), (839, 22320), (930, 20136), (1116, 16780), (1240, 15102), (1395, 13424), (1488, 12585), (1678, 11160), (1860, 10068), (2232, 8390), (2480, 7551), (2517, 7440), (2790, 6712), (3356, 5580), (3720, 5034), (4195, 4464)]