561661560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 256

約数和(自身を含む): 1969920000

約数和(自身を除く): 1408258440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 79, 87, 90, 108, 116, 120, 135, 145, 158, 174, 180, 216, 227, 232, 237, 261, 270, 290, 316, 348, 360, 395, 435, 454, 474, 522, 540, 580, 632, 681, 696, 711, 783, 790, 870, 908, 948, 1044, 1080, 1135, 1160, 1185, 1305, 1362, 1422, 1566, 1580, 1740, 1816, 1896, 2043, 2088, 2133, 2270, 2291, 2370, 2610, 2724, 2844, 3132, 3160, 3405, 3480, 3555, 3915, 4086, 4266, 4540, 4582, 4740, 5220, 5448, 5688, 6129, 6264, 6583, 6810, 6873, 7110, 7830, 8172, 8532, 9080, 9164, 9480, 10215, 10440, 10665, 11455, 12258, 13166, 13620, 13746, 14220, 15660, 16344, 17064, 17933, 18328, 19749, 20430, 20619, 21330, 22910, 24516, 26332, 27240, 27492, 28440, 30645, 31320, 32915, 34365, 35866, 39498, 40860, 41238, 42660, 45820, 49032, 52664, 53799, 54984, 59247, 61290, 61857, 65830, 68730, 71732, 78996, 81720, 82476, 85320, 89665, 91640, 98745, 103095, 107598, 118494, 122580, 123714, 131660, 137460, 143464, 157992, 161397, 164952, 177741, 179330, 197490, 206190, 215196, 236988, 245160, 247428, 263320, 268995, 274920, 296235, 309285, 322794, 355482, 358660, 394980, 412380, 430392, 473976, 484191, 494856, 520057, 537990, 592470, 618570, 645588, 710964, 717320, 789960, 806985, 824760, 888705, 968382, 1040114, 1075980, 1184940, 1237140, 1291176, 1421928, 1560171, 1613970, 1777410, 1936764, 2080228, 2151960, 2369880, 2420955, 2474280, 2600285, 3120342, 3227940, 3554820, 3873528, 4160456, 4680513, 4841910, 5200570, 6240684, 6455880, 7109640, 7800855, 9361026, 9683820, 10401140, 12481368, 14041539, 15601710, 18722052, 19367640, 20802280, 23402565, 28083078, 31203420, 37444104, 46805130, 56166156, 62406840, 70207695, 93610260, 112332312, 140415390, 187220520, 280830780, 561661560]

約数ペア:

[(1, 561661560), (2, 280830780), (3, 187220520), (4, 140415390), (5, 112332312), (6, 93610260), (8, 70207695), (9, 62406840), (10, 56166156), (12, 46805130), (15, 37444104), (18, 31203420), (20, 28083078), (24, 23402565), (27, 20802280), (29, 19367640), (30, 18722052), (36, 15601710), (40, 14041539), (45, 12481368), (54, 10401140), (58, 9683820), (60, 9361026), (72, 7800855), (79, 7109640), (87, 6455880), (90, 6240684), (108, 5200570), (116, 4841910), (120, 4680513), (135, 4160456), (145, 3873528), (158, 3554820), (174, 3227940), (180, 3120342), (216, 2600285), (227, 2474280), (232, 2420955), (237, 2369880), (261, 2151960), (270, 2080228), (290, 1936764), (316, 1777410), (348, 1613970), (360, 1560171), (395, 1421928), (435, 1291176), (454, 1237140), (474, 1184940), (522, 1075980), (540, 1040114), (580, 968382), (632, 888705), (681, 824760), (696, 806985), (711, 789960), (783, 717320), (790, 710964), (870, 645588), (908, 618570), (948, 592470), (1044, 537990), (1080, 520057), (1135, 494856), (1160, 484191), (1185, 473976), (1305, 430392), (1362, 412380), (1422, 394980), (1566, 358660), (1580, 355482), (1740, 322794), (1816, 309285), (1896, 296235), (2043, 274920), (2088, 268995), (2133, 263320), (2270, 247428), (2291, 245160), (2370, 236988), (2610, 215196), (2724, 206190), (2844, 197490), (3132, 179330), (3160, 177741), (3405, 164952), (3480, 161397), (3555, 157992), (3915, 143464), (4086, 137460), (4266, 131660), (4540, 123714), (4582, 122580), (4740, 118494), (5220, 107598), (5448, 103095), (5688, 98745), (6129, 91640), (6264, 89665), (6583, 85320), (6810, 82476), (6873, 81720), (7110, 78996), (7830, 71732), (8172, 68730), (8532, 65830), (9080, 61857), (9164, 61290), (9480, 59247), (10215, 54984), (10440, 53799), (10665, 52664), (11455, 49032), (12258, 45820), (13166, 42660), (13620, 41238), (13746, 40860), (14220, 39498), (15660, 35866), (16344, 34365), (17064, 32915), (17933, 31320), (18328, 30645), (19749, 28440), (20430, 27492), (20619, 27240), (21330, 26332), (22910, 24516)]