1720785920

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{19}}^3$

素因数の和:96

約数の個数: 264

約数和(自身を含む): 5068535760

約数和(自身を除く): 3347749840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 256, 266, 280, 304, 320, 361, 380, 392, 448, 490, 512, 532, 560, 608, 640, 665, 722, 760, 784, 896, 931, 980, 1024, 1064, 1120, 1216, 1280, 1330, 1444, 1520, 1568, 1792, 1805, 1862, 1960, 2128, 2240, 2432, 2527, 2560, 2660, 2888, 3040, 3136, 3584, 3610, 3724, 3920, 4256, 4480, 4655, 4864, 5054, 5120, 5320, 5776, 6080, 6272, 6859, 7168, 7220, 7448, 7840, 8512, 8960, 9310, 9728, 10108, 10640, 11552, 12160, 12544, 12635, 13718, 14440, 14896, 15680, 17024, 17689, 17920, 18620, 19456, 20216, 21280, 23104, 24320, 25088, 25270, 27436, 28880, 29792, 31360, 34048, 34295, 35378, 35840, 37240, 40432, 42560, 46208, 48013, 48640, 50176, 50540, 54872, 57760, 59584, 62720, 68096, 68590, 70756, 74480, 80864, 85120, 88445, 92416, 96026, 97280, 101080, 109744, 115520, 119168, 125440, 136192, 137180, 141512, 148960, 161728, 170240, 176890, 184832, 192052, 202160, 219488, 231040, 238336, 240065, 250880, 274360, 283024, 297920, 323456, 336091, 340480, 353780, 369664, 384104, 404320, 438976, 462080, 476672, 480130, 548720, 566048, 595840, 646912, 672182, 680960, 707560, 768208, 808640, 877952, 924160, 953344, 960260, 1097440, 1132096, 1191680, 1293824, 1344364, 1415120, 1536416, 1617280, 1680455, 1755904, 1848320, 1920520, 2194880, 2264192, 2383360, 2587648, 2688728, 2830240, 3072832, 3234560, 3360910, 3511808, 3841040, 4389760, 4528384, 4766720, 5377456, 5660480, 6145664, 6469120, 6721820, 7023616, 7682080, 8779520, 9056768, 10754912, 11320960, 12291328, 12938240, 13443640, 15364160, 17559040, 18113536, 21509824, 22641920, 24582656, 26887280, 30728320, 35118080, 43019648, 45283840, 49165312, 53774560, 61456640, 86039296, 90567680, 107549120, 122913280, 172078592, 215098240, 245826560, 344157184, 430196480, 860392960, 1720785920]

約数ペア:

[(1, 1720785920), (2, 860392960), (4, 430196480), (5, 344157184), (7, 245826560), (8, 215098240), (10, 172078592), (14, 122913280), (16, 107549120), (19, 90567680), (20, 86039296), (28, 61456640), (32, 53774560), (35, 49165312), (38, 45283840), (40, 43019648), (49, 35118080), (56, 30728320), (64, 26887280), (70, 24582656), (76, 22641920), (80, 21509824), (95, 18113536), (98, 17559040), (112, 15364160), (128, 13443640), (133, 12938240), (140, 12291328), (152, 11320960), (160, 10754912), (190, 9056768), (196, 8779520), (224, 7682080), (245, 7023616), (256, 6721820), (266, 6469120), (280, 6145664), (304, 5660480), (320, 5377456), (361, 4766720), (380, 4528384), (392, 4389760), (448, 3841040), (490, 3511808), (512, 3360910), (532, 3234560), (560, 3072832), (608, 2830240), (640, 2688728), (665, 2587648), (722, 2383360), (760, 2264192), (784, 2194880), (896, 1920520), (931, 1848320), (980, 1755904), (1024, 1680455), (1064, 1617280), (1120, 1536416), (1216, 1415120), (1280, 1344364), (1330, 1293824), (1444, 1191680), (1520, 1132096), (1568, 1097440), (1792, 960260), (1805, 953344), (1862, 924160), (1960, 877952), (2128, 808640), (2240, 768208), (2432, 707560), (2527, 680960), (2560, 672182), (2660, 646912), (2888, 595840), (3040, 566048), (3136, 548720), (3584, 480130), (3610, 476672), (3724, 462080), (3920, 438976), (4256, 404320), (4480, 384104), (4655, 369664), (4864, 353780), (5054, 340480), (5120, 336091), (5320, 323456), (5776, 297920), (6080, 283024), (6272, 274360), (6859, 250880), (7168, 240065), (7220, 238336), (7448, 231040), (7840, 219488), (8512, 202160), (8960, 192052), (9310, 184832), (9728, 176890), (10108, 170240), (10640, 161728), (11552, 148960), (12160, 141512), (12544, 137180), (12635, 136192), (13718, 125440), (14440, 119168), (14896, 115520), (15680, 109744), (17024, 101080), (17689, 97280), (17920, 96026), (18620, 92416), (19456, 88445), (20216, 85120), (21280, 80864), (23104, 74480), (24320, 70756), (25088, 68590), (25270, 68096), (27436, 62720), (28880, 59584), (29792, 57760), (31360, 54872), (34048, 50540), (34295, 50176), (35378, 48640), (35840, 48013), (37240, 46208), (40432, 42560)]