2494951920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111781}}^1$

素因数の和:111831

約数の個数: 120

約数和(自身を含む): 8649244032

約数和(自身を除く): 6154292112

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, 11160, 22320, 111781, 223562, 335343, 447124, 558905, 670686, 894248, 1006029, 1117810, 1341372, 1676715, 1788496, 2012058, 2235620, 2682744, 3353430, 3465211, 4024116, 4471240, 5030145, 5365488, 6706860, 6930422, 8048232, 8942480, 10060290, 10395633, 13413720, 13860844, 16096464, 17326055, 20120580, 20791266, 26827440, 27721688, 31186899, 34652110, 40241160, 41582532, 51978165, 55443376, 62373798, 69304220, 80482320, 83165064, 103956330, 124747596, 138608440, 155934495, 166330128, 207912660, 249495192, 277216880, 311868990, 415825320, 498990384, 623737980, 831650640, 1247475960, 2494951920]

約数ペア:

[(1, 2494951920), (2, 1247475960), (3, 831650640), (4, 623737980), (5, 498990384), (6, 415825320), (8, 311868990), (9, 277216880), (10, 249495192), (12, 207912660), (15, 166330128), (16, 155934495), (18, 138608440), (20, 124747596), (24, 103956330), (30, 83165064), (31, 80482320), (36, 69304220), (40, 62373798), (45, 55443376), (48, 51978165), (60, 41582532), (62, 40241160), (72, 34652110), (80, 31186899), (90, 27721688), (93, 26827440), (120, 20791266), (124, 20120580), (144, 17326055), (155, 16096464), (180, 13860844), (186, 13413720), (240, 10395633), (248, 10060290), (279, 8942480), (310, 8048232), (360, 6930422), (372, 6706860), (465, 5365488), (496, 5030145), (558, 4471240), (620, 4024116), (720, 3465211), (744, 3353430), (930, 2682744), (1116, 2235620), (1240, 2012058), (1395, 1788496), (1488, 1676715), (1860, 1341372), (2232, 1117810), (2480, 1006029), (2790, 894248), (3720, 670686), (4464, 558905), (5580, 447124), (7440, 335343), (11160, 223562), (22320, 111781)]