207821520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9311}}^1$

素因数の和:9361

約数の個数: 120

約数和(自身を含む): 720525312

約数和(自身を除く): 512703792

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, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9311, 11160, 18622, 22320, 27933, 37244, 46555, 55866, 74488, 83799, 93110, 111732, 139665, 148976, 167598, 186220, 223464, 279330, 288641, 335196, 372440, 418995, 446928, 558660, 577282, 670392, 744880, 837990, 865923, 1117320, 1154564, 1340784, 1443205, 1675980, 1731846, 2234640, 2309128, 2597769, 2886410, 3351960, 3463692, 4329615, 4618256, 5195538, 5772820, 6703920, 6927384, 8659230, 10391076, 11545640, 12988845, 13854768, 17318460, 20782152, 23091280, 25977690, 34636920, 41564304, 51955380, 69273840, 103910760, 207821520]

約数ペア:

[(1, 207821520), (2, 103910760), (3, 69273840), (4, 51955380), (5, 41564304), (6, 34636920), (8, 25977690), (9, 23091280), (10, 20782152), (12, 17318460), (15, 13854768), (16, 12988845), (18, 11545640), (20, 10391076), (24, 8659230), (30, 6927384), (31, 6703920), (36, 5772820), (40, 5195538), (45, 4618256), (48, 4329615), (60, 3463692), (62, 3351960), (72, 2886410), (80, 2597769), (90, 2309128), (93, 2234640), (120, 1731846), (124, 1675980), (144, 1443205), (155, 1340784), (180, 1154564), (186, 1117320), (240, 865923), (248, 837990), (279, 744880), (310, 670392), (360, 577282), (372, 558660), (465, 446928), (496, 418995), (558, 372440), (620, 335196), (720, 288641), (744, 279330), (930, 223464), (1116, 186220), (1240, 167598), (1395, 148976), (1488, 139665), (1860, 111732), (2232, 93110), (2480, 83799), (2790, 74488), (3720, 55866), (4464, 46555), (5580, 37244), (7440, 27933), (9311, 22320), (11160, 18622)]