1290689280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:827

約数の個数: 216

約数和(自身を含む): 4497576720

約数和(自身を除く): 3206887440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 181, 192, 240, 256, 288, 320, 360, 362, 384, 480, 543, 576, 619, 640, 720, 724, 768, 905, 960, 1086, 1152, 1238, 1280, 1440, 1448, 1629, 1810, 1857, 1920, 2172, 2304, 2476, 2715, 2880, 2896, 3095, 3258, 3620, 3714, 3840, 4344, 4952, 5430, 5571, 5760, 5792, 6190, 6516, 7240, 7428, 8145, 8688, 9285, 9904, 10860, 11142, 11520, 11584, 12380, 13032, 14480, 14856, 16290, 17376, 18570, 19808, 21720, 22284, 23168, 24760, 26064, 27855, 28960, 29712, 32580, 34752, 37140, 39616, 43440, 44568, 46336, 49520, 52128, 55710, 57920, 59424, 65160, 69504, 74280, 79232, 86880, 89136, 99040, 104256, 111420, 112039, 115840, 118848, 130320, 139008, 148560, 158464, 173760, 178272, 198080, 208512, 222840, 224078, 231680, 237696, 260640, 297120, 336117, 347520, 356544, 396160, 417024, 445680, 448156, 475392, 521280, 560195, 594240, 672234, 695040, 713088, 792320, 891360, 896312, 1008351, 1042560, 1120390, 1188480, 1344468, 1426176, 1680585, 1782720, 1792624, 2016702, 2085120, 2240780, 2376960, 2688936, 3361170, 3565440, 3585248, 4033404, 4481560, 5041755, 5377872, 6722340, 7130880, 7170496, 8066808, 8963120, 10083510, 10755744, 13444680, 14340992, 16133616, 17926240, 20167020, 21511488, 26889360, 28681984, 32267232, 35852480, 40334040, 43022976, 53778720, 64534464, 71704960, 80668080, 86045952, 107557440, 129068928, 143409920, 161336160, 215114880, 258137856, 322672320, 430229760, 645344640, 1290689280]

約数ペア:

[(1, 1290689280), (2, 645344640), (3, 430229760), (4, 322672320), (5, 258137856), (6, 215114880), (8, 161336160), (9, 143409920), (10, 129068928), (12, 107557440), (15, 86045952), (16, 80668080), (18, 71704960), (20, 64534464), (24, 53778720), (30, 43022976), (32, 40334040), (36, 35852480), (40, 32267232), (45, 28681984), (48, 26889360), (60, 21511488), (64, 20167020), (72, 17926240), (80, 16133616), (90, 14340992), (96, 13444680), (120, 10755744), (128, 10083510), (144, 8963120), (160, 8066808), (180, 7170496), (181, 7130880), (192, 6722340), (240, 5377872), (256, 5041755), (288, 4481560), (320, 4033404), (360, 3585248), (362, 3565440), (384, 3361170), (480, 2688936), (543, 2376960), (576, 2240780), (619, 2085120), (640, 2016702), (720, 1792624), (724, 1782720), (768, 1680585), (905, 1426176), (960, 1344468), (1086, 1188480), (1152, 1120390), (1238, 1042560), (1280, 1008351), (1440, 896312), (1448, 891360), (1629, 792320), (1810, 713088), (1857, 695040), (1920, 672234), (2172, 594240), (2304, 560195), (2476, 521280), (2715, 475392), (2880, 448156), (2896, 445680), (3095, 417024), (3258, 396160), (3620, 356544), (3714, 347520), (3840, 336117), (4344, 297120), (4952, 260640), (5430, 237696), (5571, 231680), (5760, 224078), (5792, 222840), (6190, 208512), (6516, 198080), (7240, 178272), (7428, 173760), (8145, 158464), (8688, 148560), (9285, 139008), (9904, 130320), (10860, 118848), (11142, 115840), (11520, 112039), (11584, 111420), (12380, 104256), (13032, 99040), (14480, 89136), (14856, 86880), (16290, 79232), (17376, 74280), (18570, 69504), (19808, 65160), (21720, 59424), (22284, 57920), (23168, 55710), (24760, 52128), (26064, 49520), (27855, 46336), (28960, 44568), (29712, 43440), (32580, 39616), (34752, 37140)]