391790880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20929}}^1$

素因数の和:20963

約数の個数: 144

約数和(自身を含む): 1439900280

約数和(自身を除く): 1048109400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 20929, 41858, 62787, 83716, 104645, 125574, 167432, 188361, 209290, 251148, 272077, 313935, 334864, 376722, 418580, 502296, 544154, 627870, 669728, 753444, 816231, 837160, 941805, 1004592, 1088308, 1255740, 1360385, 1506888, 1632462, 1674320, 1883610, 2009184, 2176616, 2448693, 2511480, 2720770, 3013776, 3264924, 3348640, 3767220, 4081155, 4353232, 4897386, 5022960, 5441540, 6027552, 6529848, 7534440, 8162310, 8706464, 9794772, 10045920, 10883080, 12243465, 13059696, 15068880, 16324620, 19589544, 21766160, 24486930, 26119392, 30137760, 32649240, 39179088, 43532320, 48973860, 65298480, 78358176, 97947720, 130596960, 195895440, 391790880]

約数ペア:

[(1, 391790880), (2, 195895440), (3, 130596960), (4, 97947720), (5, 78358176), (6, 65298480), (8, 48973860), (9, 43532320), (10, 39179088), (12, 32649240), (13, 30137760), (15, 26119392), (16, 24486930), (18, 21766160), (20, 19589544), (24, 16324620), (26, 15068880), (30, 13059696), (32, 12243465), (36, 10883080), (39, 10045920), (40, 9794772), (45, 8706464), (48, 8162310), (52, 7534440), (60, 6529848), (65, 6027552), (72, 5441540), (78, 5022960), (80, 4897386), (90, 4353232), (96, 4081155), (104, 3767220), (117, 3348640), (120, 3264924), (130, 3013776), (144, 2720770), (156, 2511480), (160, 2448693), (180, 2176616), (195, 2009184), (208, 1883610), (234, 1674320), (240, 1632462), (260, 1506888), (288, 1360385), (312, 1255740), (360, 1088308), (390, 1004592), (416, 941805), (468, 837160), (480, 816231), (520, 753444), (585, 669728), (624, 627870), (720, 544154), (780, 502296), (936, 418580), (1040, 376722), (1170, 334864), (1248, 313935), (1440, 272077), (1560, 251148), (1872, 209290), (2080, 188361), (2340, 167432), (3120, 125574), (3744, 104645), (4680, 83716), (6240, 62787), (9360, 41858), (18720, 20929)]