27791280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 240

約数和(自身を含む): 106198560

約数和(自身を除く): 78407280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 48, 55, 58, 60, 66, 72, 80, 87, 88, 90, 99, 110, 116, 120, 121, 132, 144, 145, 165, 174, 176, 180, 198, 220, 232, 240, 242, 261, 264, 290, 319, 330, 348, 360, 363, 396, 435, 440, 464, 484, 495, 522, 528, 580, 605, 638, 660, 696, 720, 726, 792, 870, 880, 957, 968, 990, 1044, 1089, 1160, 1210, 1276, 1305, 1320, 1331, 1392, 1452, 1584, 1595, 1740, 1815, 1914, 1936, 1980, 2088, 2178, 2320, 2420, 2552, 2610, 2640, 2662, 2871, 2904, 3190, 3480, 3509, 3630, 3828, 3960, 3993, 4176, 4356, 4785, 4840, 5104, 5220, 5324, 5445, 5742, 5808, 6380, 6655, 6960, 7018, 7260, 7656, 7920, 7986, 8712, 9570, 9680, 10440, 10527, 10648, 10890, 11484, 11979, 12760, 13310, 14036, 14355, 14520, 15312, 15972, 17424, 17545, 19140, 19965, 20880, 21054, 21296, 21780, 22968, 23958, 25520, 26620, 28072, 28710, 29040, 31581, 31944, 35090, 38280, 38599, 39930, 42108, 43560, 45936, 47916, 52635, 53240, 56144, 57420, 59895, 63162, 63888, 70180, 76560, 77198, 79860, 84216, 87120, 95832, 105270, 106480, 114840, 115797, 119790, 126324, 140360, 154396, 157905, 159720, 168432, 191664, 192995, 210540, 229680, 231594, 239580, 252648, 280720, 308792, 315810, 319440, 347391, 385990, 421080, 463188, 479160, 505296, 578985, 617584, 631620, 694782, 771980, 842160, 926376, 958320, 1157970, 1263240, 1389564, 1543960, 1736955, 1852752, 2315940, 2526480, 2779128, 3087920, 3473910, 4631880, 5558256, 6947820, 9263760, 13895640, 27791280]

約数ペア:

[(1, 27791280), (2, 13895640), (3, 9263760), (4, 6947820), (5, 5558256), (6, 4631880), (8, 3473910), (9, 3087920), (10, 2779128), (11, 2526480), (12, 2315940), (15, 1852752), (16, 1736955), (18, 1543960), (20, 1389564), (22, 1263240), (24, 1157970), (29, 958320), (30, 926376), (33, 842160), (36, 771980), (40, 694782), (44, 631620), (45, 617584), (48, 578985), (55, 505296), (58, 479160), (60, 463188), (66, 421080), (72, 385990), (80, 347391), (87, 319440), (88, 315810), (90, 308792), (99, 280720), (110, 252648), (116, 239580), (120, 231594), (121, 229680), (132, 210540), (144, 192995), (145, 191664), (165, 168432), (174, 159720), (176, 157905), (180, 154396), (198, 140360), (220, 126324), (232, 119790), (240, 115797), (242, 114840), (261, 106480), (264, 105270), (290, 95832), (319, 87120), (330, 84216), (348, 79860), (360, 77198), (363, 76560), (396, 70180), (435, 63888), (440, 63162), (464, 59895), (484, 57420), (495, 56144), (522, 53240), (528, 52635), (580, 47916), (605, 45936), (638, 43560), (660, 42108), (696, 39930), (720, 38599), (726, 38280), (792, 35090), (870, 31944), (880, 31581), (957, 29040), (968, 28710), (990, 28072), (1044, 26620), (1089, 25520), (1160, 23958), (1210, 22968), (1276, 21780), (1305, 21296), (1320, 21054), (1331, 20880), (1392, 19965), (1452, 19140), (1584, 17545), (1595, 17424), (1740, 15972), (1815, 15312), (1914, 14520), (1936, 14355), (1980, 14036), (2088, 13310), (2178, 12760), (2320, 11979), (2420, 11484), (2552, 10890), (2610, 10648), (2640, 10527), (2662, 10440), (2871, 9680), (2904, 9570), (3190, 8712), (3480, 7986), (3509, 7920), (3630, 7656), (3828, 7260), (3960, 7018), (3993, 6960), (4176, 6655), (4356, 6380), (4785, 5808), (4840, 5742), (5104, 5445), (5220, 5324)]