18931584240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431047}}^1$

素因数の和:431127

約数の個数: 120

約数和(自身を含む): 64620991968

約数和(自身を除く): 45689407728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 43920, 431047, 862094, 1293141, 1724188, 2155235, 2586282, 3448376, 3879423, 4310470, 5172564, 6465705, 6896752, 7758846, 8620940, 10345128, 12931410, 15517692, 17241880, 19397115, 20690256, 25862820, 26293867, 31035384, 34483760, 38794230, 51725640, 52587734, 62070768, 77588460, 78881601, 103451280, 105175468, 131469335, 155176920, 157763202, 210350936, 236644803, 262938670, 310353840, 315526404, 394408005, 420701872, 473289606, 525877340, 631052808, 788816010, 946579212, 1051754680, 1183224015, 1262105616, 1577632020, 1893158424, 2103509360, 2366448030, 3155264040, 3786316848, 4732896060, 6310528080, 9465792120, 18931584240]

約数ペア:

[(1, 18931584240), (2, 9465792120), (3, 6310528080), (4, 4732896060), (5, 3786316848), (6, 3155264040), (8, 2366448030), (9, 2103509360), (10, 1893158424), (12, 1577632020), (15, 1262105616), (16, 1183224015), (18, 1051754680), (20, 946579212), (24, 788816010), (30, 631052808), (36, 525877340), (40, 473289606), (45, 420701872), (48, 394408005), (60, 315526404), (61, 310353840), (72, 262938670), (80, 236644803), (90, 210350936), (120, 157763202), (122, 155176920), (144, 131469335), (180, 105175468), (183, 103451280), (240, 78881601), (244, 77588460), (305, 62070768), (360, 52587734), (366, 51725640), (488, 38794230), (549, 34483760), (610, 31035384), (720, 26293867), (732, 25862820), (915, 20690256), (976, 19397115), (1098, 17241880), (1220, 15517692), (1464, 12931410), (1830, 10345128), (2196, 8620940), (2440, 7758846), (2745, 6896752), (2928, 6465705), (3660, 5172564), (4392, 4310470), (4880, 3879423), (5490, 3448376), (7320, 2586282), (8784, 2155235), (10980, 1724188), (14640, 1293141), (21960, 862094), (43920, 431047)]