20551274880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1121

約数の個数: 256

約数和(自身を含む): 66836275200

約数和(自身を除く): 46285000320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 157, 158, 160, 192, 237, 240, 314, 316, 320, 384, 395, 471, 474, 480, 628, 632, 640, 785, 790, 863, 942, 948, 960, 1185, 1256, 1264, 1570, 1580, 1726, 1884, 1896, 1920, 2355, 2370, 2512, 2528, 2589, 3140, 3160, 3452, 3768, 3792, 4315, 4710, 4740, 5024, 5056, 5178, 6280, 6320, 6904, 7536, 7584, 8630, 9420, 9480, 10048, 10112, 10356, 12403, 12560, 12640, 12945, 13808, 15072, 15168, 17260, 18840, 18960, 20096, 20712, 24806, 25120, 25280, 25890, 27616, 30144, 30336, 34520, 37209, 37680, 37920, 41424, 49612, 50240, 50560, 51780, 55232, 60288, 62015, 68177, 69040, 74418, 75360, 75840, 82848, 99224, 100480, 103560, 110464, 124030, 135491, 136354, 138080, 148836, 150720, 151680, 165696, 186045, 198448, 204531, 207120, 248060, 270982, 272708, 276160, 297672, 301440, 331392, 340885, 372090, 396896, 406473, 409062, 414240, 496120, 541964, 545416, 552320, 595344, 677455, 681770, 744180, 793792, 812946, 818124, 828480, 992240, 1022655, 1083928, 1090832, 1190688, 1354910, 1363540, 1488360, 1587584, 1625892, 1636248, 1656960, 1984480, 2032365, 2045310, 2167856, 2181664, 2381376, 2709820, 2727080, 2976720, 3251784, 3272496, 3968960, 4064730, 4090620, 4335712, 4363328, 4762752, 5419640, 5454160, 5953440, 6503568, 6544992, 7937920, 8129460, 8181240, 8671424, 8726656, 10703789, 10839280, 10908320, 11906880, 13007136, 13089984, 16258920, 16362480, 17342848, 21407578, 21678560, 21816640, 23813760, 26014272, 26179968, 32111367, 32517840, 32724960, 42815156, 43357120, 43633280, 52028544, 53518945, 64222734, 65035680, 65449920, 85630312, 86714240, 107037890, 128445468, 130071360, 130899840, 160556835, 171260624, 214075780, 256890936, 260142720, 321113670, 342521248, 428151560, 513781872, 642227340, 685042496, 856303120, 1027563744, 1284454680, 1370084992, 1712606240, 2055127488, 2568909360, 3425212480, 4110254976, 5137818720, 6850424960, 10275637440, 20551274880]

約数ペア:

[(1, 20551274880), (2, 10275637440), (3, 6850424960), (4, 5137818720), (5, 4110254976), (6, 3425212480), (8, 2568909360), (10, 2055127488), (12, 1712606240), (15, 1370084992), (16, 1284454680), (20, 1027563744), (24, 856303120), (30, 685042496), (32, 642227340), (40, 513781872), (48, 428151560), (60, 342521248), (64, 321113670), (79, 260142720), (80, 256890936), (96, 214075780), (120, 171260624), (128, 160556835), (157, 130899840), (158, 130071360), (160, 128445468), (192, 107037890), (237, 86714240), (240, 85630312), (314, 65449920), (316, 65035680), (320, 64222734), (384, 53518945), (395, 52028544), (471, 43633280), (474, 43357120), (480, 42815156), (628, 32724960), (632, 32517840), (640, 32111367), (785, 26179968), (790, 26014272), (863, 23813760), (942, 21816640), (948, 21678560), (960, 21407578), (1185, 17342848), (1256, 16362480), (1264, 16258920), (1570, 13089984), (1580, 13007136), (1726, 11906880), (1884, 10908320), (1896, 10839280), (1920, 10703789), (2355, 8726656), (2370, 8671424), (2512, 8181240), (2528, 8129460), (2589, 7937920), (3140, 6544992), (3160, 6503568), (3452, 5953440), (3768, 5454160), (3792, 5419640), (4315, 4762752), (4710, 4363328), (4740, 4335712), (5024, 4090620), (5056, 4064730), (5178, 3968960), (6280, 3272496), (6320, 3251784), (6904, 2976720), (7536, 2727080), (7584, 2709820), (8630, 2381376), (9420, 2181664), (9480, 2167856), (10048, 2045310), (10112, 2032365), (10356, 1984480), (12403, 1656960), (12560, 1636248), (12640, 1625892), (12945, 1587584), (13808, 1488360), (15072, 1363540), (15168, 1354910), (17260, 1190688), (18840, 1090832), (18960, 1083928), (20096, 1022655), (20712, 992240), (24806, 828480), (25120, 818124), (25280, 812946), (25890, 793792), (27616, 744180), (30144, 681770), (30336, 677455), (34520, 595344), (37209, 552320), (37680, 545416), (37920, 541964), (41424, 496120), (49612, 414240), (50240, 409062), (50560, 406473), (51780, 396896), (55232, 372090), (60288, 340885), (62015, 331392), (68177, 301440), (69040, 297672), (74418, 276160), (75360, 272708), (75840, 270982), (82848, 248060), (99224, 207120), (100480, 204531), (103560, 198448), (110464, 186045), (124030, 165696), (135491, 151680), (136354, 150720), (138080, 148836)]