18523440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2011

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 48503520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 1979, 2340, 3120, 3958, 4680, 5937, 7916, 9360, 9895, 11874, 15832, 17811, 19790, 23748, 25727, 29685, 31664, 35622, 39580, 47496, 51454, 59370, 71244, 77181, 79160, 89055, 94992, 102908, 118740, 128635, 142488, 154362, 158320, 178110, 205816, 231543, 237480, 257270, 284976, 308724, 356220, 385905, 411632, 463086, 474960, 514540, 617448, 712440, 771810, 926172, 1029080, 1157715, 1234896, 1424880, 1543620, 1852344, 2058160, 2315430, 3087240, 3704688, 4630860, 6174480, 9261720, 18523440]

約数ペア:

[(1, 18523440), (2, 9261720), (3, 6174480), (4, 4630860), (5, 3704688), (6, 3087240), (8, 2315430), (9, 2058160), (10, 1852344), (12, 1543620), (13, 1424880), (15, 1234896), (16, 1157715), (18, 1029080), (20, 926172), (24, 771810), (26, 712440), (30, 617448), (36, 514540), (39, 474960), (40, 463086), (45, 411632), (48, 385905), (52, 356220), (60, 308724), (65, 284976), (72, 257270), (78, 237480), (80, 231543), (90, 205816), (104, 178110), (117, 158320), (120, 154362), (130, 142488), (144, 128635), (156, 118740), (180, 102908), (195, 94992), (208, 89055), (234, 79160), (240, 77181), (260, 71244), (312, 59370), (360, 51454), (390, 47496), (468, 39580), (520, 35622), (585, 31664), (624, 29685), (720, 25727), (780, 23748), (936, 19790), (1040, 17811), (1170, 15832), (1560, 11874), (1872, 9895), (1979, 9360), (2340, 7916), (3120, 5937), (3958, 4680)]