1916720640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3617}}^1$

素因数の和:3669

約数の個数: 240

約数和(自身を含む): 6928672608

約数和(自身を除く): 5011951968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 512, 552, 576, 640, 690, 720, 736, 768, 828, 920, 960, 1035, 1104, 1152, 1280, 1380, 1440, 1472, 1536, 1656, 1840, 1920, 2070, 2208, 2304, 2560, 2760, 2880, 2944, 3312, 3617, 3680, 3840, 4140, 4416, 4608, 5520, 5760, 5888, 6624, 7234, 7360, 7680, 8280, 8832, 10851, 11040, 11520, 11776, 13248, 14468, 14720, 16560, 17664, 18085, 21702, 22080, 23040, 26496, 28936, 29440, 32553, 33120, 35328, 36170, 43404, 44160, 52992, 54255, 57872, 58880, 65106, 66240, 72340, 83191, 86808, 88320, 105984, 108510, 115744, 130212, 132480, 144680, 162765, 166382, 173616, 176640, 217020, 231488, 249573, 260424, 264960, 289360, 325530, 332764, 347232, 415955, 434040, 462976, 499146, 520848, 529920, 578720, 651060, 665528, 694464, 748719, 831910, 868080, 925952, 998292, 1041696, 1157440, 1247865, 1302120, 1331056, 1388928, 1497438, 1663820, 1736160, 1851904, 1996584, 2083392, 2314880, 2495730, 2604240, 2662112, 2777856, 2994876, 3327640, 3472320, 3743595, 3993168, 4166784, 4629760, 4991460, 5208480, 5324224, 5555712, 5989752, 6655280, 6944640, 7487190, 7986336, 8333568, 9259520, 9982920, 10416960, 10648448, 11979504, 13310560, 13889280, 14974380, 15972672, 16667136, 19965840, 20833920, 21296896, 23959008, 26621120, 27778560, 29948760, 31945344, 39931680, 41667840, 42593792, 47918016, 53242240, 59897520, 63890688, 79863360, 83335680, 95836032, 106484480, 119795040, 127781376, 159726720, 191672064, 212968960, 239590080, 319453440, 383344128, 479180160, 638906880, 958360320, 1916720640]

約数ペア:

[(1, 1916720640), (2, 958360320), (3, 638906880), (4, 479180160), (5, 383344128), (6, 319453440), (8, 239590080), (9, 212968960), (10, 191672064), (12, 159726720), (15, 127781376), (16, 119795040), (18, 106484480), (20, 95836032), (23, 83335680), (24, 79863360), (30, 63890688), (32, 59897520), (36, 53242240), (40, 47918016), (45, 42593792), (46, 41667840), (48, 39931680), (60, 31945344), (64, 29948760), (69, 27778560), (72, 26621120), (80, 23959008), (90, 21296896), (92, 20833920), (96, 19965840), (115, 16667136), (120, 15972672), (128, 14974380), (138, 13889280), (144, 13310560), (160, 11979504), (180, 10648448), (184, 10416960), (192, 9982920), (207, 9259520), (230, 8333568), (240, 7986336), (256, 7487190), (276, 6944640), (288, 6655280), (320, 5989752), (345, 5555712), (360, 5324224), (368, 5208480), (384, 4991460), (414, 4629760), (460, 4166784), (480, 3993168), (512, 3743595), (552, 3472320), (576, 3327640), (640, 2994876), (690, 2777856), (720, 2662112), (736, 2604240), (768, 2495730), (828, 2314880), (920, 2083392), (960, 1996584), (1035, 1851904), (1104, 1736160), (1152, 1663820), (1280, 1497438), (1380, 1388928), (1440, 1331056), (1472, 1302120), (1536, 1247865), (1656, 1157440), (1840, 1041696), (1920, 998292), (2070, 925952), (2208, 868080), (2304, 831910), (2560, 748719), (2760, 694464), (2880, 665528), (2944, 651060), (3312, 578720), (3617, 529920), (3680, 520848), (3840, 499146), (4140, 462976), (4416, 434040), (4608, 415955), (5520, 347232), (5760, 332764), (5888, 325530), (6624, 289360), (7234, 264960), (7360, 260424), (7680, 249573), (8280, 231488), (8832, 217020), (10851, 176640), (11040, 173616), (11520, 166382), (11776, 162765), (13248, 144680), (14468, 132480), (14720, 130212), (16560, 115744), (17664, 108510), (18085, 105984), (21702, 88320), (22080, 86808), (23040, 83191), (26496, 72340), (28936, 66240), (29440, 65106), (32553, 58880), (33120, 57872), (35328, 54255), (36170, 52992), (43404, 44160)]