19172880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:909

約数の個数: 120

約数和(自身を含む): 66543360

約数和(自身を除く): 47370480

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, 859, 930, 1116, 1240, 1395, 1488, 1718, 1860, 2232, 2480, 2577, 2790, 3436, 3720, 4295, 4464, 5154, 5580, 6872, 7440, 7731, 8590, 10308, 11160, 12885, 13744, 15462, 17180, 20616, 22320, 25770, 26629, 30924, 34360, 38655, 41232, 51540, 53258, 61848, 68720, 77310, 79887, 103080, 106516, 123696, 133145, 154620, 159774, 206160, 213032, 239661, 266290, 309240, 319548, 399435, 426064, 479322, 532580, 618480, 639096, 798870, 958644, 1065160, 1198305, 1278192, 1597740, 1917288, 2130320, 2396610, 3195480, 3834576, 4793220, 6390960, 9586440, 19172880]

約数ペア:

[(1, 19172880), (2, 9586440), (3, 6390960), (4, 4793220), (5, 3834576), (6, 3195480), (8, 2396610), (9, 2130320), (10, 1917288), (12, 1597740), (15, 1278192), (16, 1198305), (18, 1065160), (20, 958644), (24, 798870), (30, 639096), (31, 618480), (36, 532580), (40, 479322), (45, 426064), (48, 399435), (60, 319548), (62, 309240), (72, 266290), (80, 239661), (90, 213032), (93, 206160), (120, 159774), (124, 154620), (144, 133145), (155, 123696), (180, 106516), (186, 103080), (240, 79887), (248, 77310), (279, 68720), (310, 61848), (360, 53258), (372, 51540), (465, 41232), (496, 38655), (558, 34360), (620, 30924), (720, 26629), (744, 25770), (859, 22320), (930, 20616), (1116, 17180), (1240, 15462), (1395, 13744), (1488, 12885), (1718, 11160), (1860, 10308), (2232, 8590), (2480, 7731), (2577, 7440), (2790, 6872), (3436, 5580), (3720, 5154), (4295, 4464)]