989994240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4569

約数の個数: 216

約数和(自身を含む): 3606351840

約数和(自身を除く): 2616357600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2432, 2736, 2880, 3040, 3420, 3648, 3840, 4523, 4560, 4864, 5472, 5760, 6080, 6840, 7296, 9046, 9120, 10944, 11520, 12160, 13569, 13680, 14592, 18092, 18240, 21888, 22615, 24320, 27138, 27360, 36184, 36480, 40707, 43776, 45230, 54276, 54720, 67845, 72368, 72960, 81414, 85937, 90460, 108552, 109440, 135690, 144736, 162828, 171874, 180920, 203535, 217104, 218880, 257811, 271380, 289472, 325656, 343748, 361840, 407070, 429685, 434208, 515622, 542760, 578944, 651312, 687496, 723680, 773433, 814140, 859370, 868416, 1031244, 1085520, 1157888, 1289055, 1302624, 1374992, 1447360, 1546866, 1628280, 1718740, 1736832, 2062488, 2171040, 2578110, 2605248, 2749984, 2894720, 3093732, 3256560, 3437480, 3473664, 3867165, 4124976, 4342080, 5156220, 5210496, 5499968, 5789440, 6187464, 6513120, 6874960, 7734330, 8249952, 8684160, 10312440, 10420992, 10999936, 12374928, 13026240, 13749920, 15468660, 16499904, 17368320, 20624880, 21999872, 24749856, 26052480, 27499840, 30937320, 32999808, 41249760, 49499712, 52104960, 54999680, 61874640, 65999616, 82499520, 98999424, 109999360, 123749280, 164999040, 197998848, 247498560, 329998080, 494997120, 989994240]

約数ペア:

[(1, 989994240), (2, 494997120), (3, 329998080), (4, 247498560), (5, 197998848), (6, 164999040), (8, 123749280), (9, 109999360), (10, 98999424), (12, 82499520), (15, 65999616), (16, 61874640), (18, 54999680), (19, 52104960), (20, 49499712), (24, 41249760), (30, 32999808), (32, 30937320), (36, 27499840), (38, 26052480), (40, 24749856), (45, 21999872), (48, 20624880), (57, 17368320), (60, 16499904), (64, 15468660), (72, 13749920), (76, 13026240), (80, 12374928), (90, 10999936), (95, 10420992), (96, 10312440), (114, 8684160), (120, 8249952), (128, 7734330), (144, 6874960), (152, 6513120), (160, 6187464), (171, 5789440), (180, 5499968), (190, 5210496), (192, 5156220), (228, 4342080), (240, 4124976), (256, 3867165), (285, 3473664), (288, 3437480), (304, 3256560), (320, 3093732), (342, 2894720), (360, 2749984), (380, 2605248), (384, 2578110), (456, 2171040), (480, 2062488), (570, 1736832), (576, 1718740), (608, 1628280), (640, 1546866), (684, 1447360), (720, 1374992), (760, 1302624), (768, 1289055), (855, 1157888), (912, 1085520), (960, 1031244), (1140, 868416), (1152, 859370), (1216, 814140), (1280, 773433), (1368, 723680), (1440, 687496), (1520, 651312), (1710, 578944), (1824, 542760), (1920, 515622), (2280, 434208), (2304, 429685), (2432, 407070), (2736, 361840), (2880, 343748), (3040, 325656), (3420, 289472), (3648, 271380), (3840, 257811), (4523, 218880), (4560, 217104), (4864, 203535), (5472, 180920), (5760, 171874), (6080, 162828), (6840, 144736), (7296, 135690), (9046, 109440), (9120, 108552), (10944, 90460), (11520, 85937), (12160, 81414), (13569, 72960), (13680, 72368), (14592, 67845), (18092, 54720), (18240, 54276), (21888, 45230), (22615, 43776), (24320, 40707), (27138, 36480), (27360, 36184)]