80399880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 289785600

約数和(自身を除く): 209385720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 79, 88, 90, 99, 110, 120, 132, 158, 165, 180, 198, 220, 237, 257, 264, 316, 330, 360, 395, 396, 440, 474, 495, 514, 632, 660, 711, 771, 790, 792, 869, 948, 990, 1028, 1185, 1285, 1320, 1422, 1542, 1580, 1738, 1896, 1980, 2056, 2313, 2370, 2570, 2607, 2827, 2844, 3084, 3160, 3476, 3555, 3855, 3960, 4345, 4626, 4740, 5140, 5214, 5654, 5688, 6168, 6952, 7110, 7710, 7821, 8481, 8690, 9252, 9480, 10280, 10428, 11308, 11565, 13035, 14135, 14220, 15420, 15642, 16962, 17380, 18504, 20303, 20856, 22616, 23130, 25443, 26070, 28270, 28440, 30840, 31284, 33924, 34760, 39105, 40606, 42405, 46260, 50886, 52140, 56540, 60909, 62568, 67848, 78210, 81212, 84810, 92520, 101515, 101772, 104280, 113080, 121818, 127215, 156420, 162424, 169620, 182727, 203030, 203544, 223333, 243636, 254430, 304545, 312840, 339240, 365454, 406060, 446666, 487272, 508860, 609090, 669999, 730908, 812120, 893332, 913635, 1017720, 1116665, 1218180, 1339998, 1461816, 1786664, 1827270, 2009997, 2233330, 2436360, 2679996, 3349995, 3654540, 4019994, 4466660, 5359992, 6699990, 7309080, 8039988, 8933320, 10049985, 13399980, 16079976, 20099970, 26799960, 40199940, 80399880]

約数ペア:

[(1, 80399880), (2, 40199940), (3, 26799960), (4, 20099970), (5, 16079976), (6, 13399980), (8, 10049985), (9, 8933320), (10, 8039988), (11, 7309080), (12, 6699990), (15, 5359992), (18, 4466660), (20, 4019994), (22, 3654540), (24, 3349995), (30, 2679996), (33, 2436360), (36, 2233330), (40, 2009997), (44, 1827270), (45, 1786664), (55, 1461816), (60, 1339998), (66, 1218180), (72, 1116665), (79, 1017720), (88, 913635), (90, 893332), (99, 812120), (110, 730908), (120, 669999), (132, 609090), (158, 508860), (165, 487272), (180, 446666), (198, 406060), (220, 365454), (237, 339240), (257, 312840), (264, 304545), (316, 254430), (330, 243636), (360, 223333), (395, 203544), (396, 203030), (440, 182727), (474, 169620), (495, 162424), (514, 156420), (632, 127215), (660, 121818), (711, 113080), (771, 104280), (790, 101772), (792, 101515), (869, 92520), (948, 84810), (990, 81212), (1028, 78210), (1185, 67848), (1285, 62568), (1320, 60909), (1422, 56540), (1542, 52140), (1580, 50886), (1738, 46260), (1896, 42405), (1980, 40606), (2056, 39105), (2313, 34760), (2370, 33924), (2570, 31284), (2607, 30840), (2827, 28440), (2844, 28270), (3084, 26070), (3160, 25443), (3476, 23130), (3555, 22616), (3855, 20856), (3960, 20303), (4345, 18504), (4626, 17380), (4740, 16962), (5140, 15642), (5214, 15420), (5654, 14220), (5688, 14135), (6168, 13035), (6952, 11565), (7110, 11308), (7710, 10428), (7821, 10280), (8481, 9480), (8690, 9252)]