20100289680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{99349}}^1$

素因数の和:99649

約数の個数: 120

約数和(自身を含む): 67744380600

約数和(自身を除く): 47644090920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 281, 360, 562, 720, 843, 1124, 1405, 1686, 2248, 2529, 2810, 3372, 4215, 4496, 5058, 5620, 6744, 8430, 10116, 11240, 12645, 13488, 16860, 20232, 22480, 25290, 33720, 40464, 50580, 67440, 99349, 101160, 198698, 202320, 298047, 397396, 496745, 596094, 794792, 894141, 993490, 1192188, 1490235, 1589584, 1788282, 1986980, 2384376, 2980470, 3576564, 3973960, 4470705, 4768752, 5960940, 7153128, 7947920, 8941410, 11921880, 14306256, 17882820, 23843760, 27917069, 35765640, 55834138, 71531280, 83751207, 111668276, 139585345, 167502414, 223336552, 251253621, 279170690, 335004828, 418756035, 446673104, 502507242, 558341380, 670009656, 837512070, 1005014484, 1116682760, 1256268105, 1340019312, 1675024140, 2010028968, 2233365520, 2512536210, 3350048280, 4020057936, 5025072420, 6700096560, 10050144840, 20100289680]

約数ペア:

[(1, 20100289680), (2, 10050144840), (3, 6700096560), (4, 5025072420), (5, 4020057936), (6, 3350048280), (8, 2512536210), (9, 2233365520), (10, 2010028968), (12, 1675024140), (15, 1340019312), (16, 1256268105), (18, 1116682760), (20, 1005014484), (24, 837512070), (30, 670009656), (36, 558341380), (40, 502507242), (45, 446673104), (48, 418756035), (60, 335004828), (72, 279170690), (80, 251253621), (90, 223336552), (120, 167502414), (144, 139585345), (180, 111668276), (240, 83751207), (281, 71531280), (360, 55834138), (562, 35765640), (720, 27917069), (843, 23843760), (1124, 17882820), (1405, 14306256), (1686, 11921880), (2248, 8941410), (2529, 7947920), (2810, 7153128), (3372, 5960940), (4215, 4768752), (4496, 4470705), (5058, 3973960), (5620, 3576564), (6744, 2980470), (8430, 2384376), (10116, 1986980), (11240, 1788282), (12645, 1589584), (13488, 1490235), (16860, 1192188), (20232, 993490), (22480, 894141), (25290, 794792), (33720, 596094), (40464, 496745), (50580, 397396), (67440, 298047), (99349, 202320), (101160, 198698)]