421227520

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 264

約数和(自身を含む): 1243331424

約数和(自身を除く): 822103904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 73, 80, 92, 98, 112, 115, 128, 140, 146, 160, 161, 184, 196, 224, 230, 245, 256, 280, 292, 320, 322, 365, 368, 392, 448, 460, 490, 511, 512, 560, 584, 640, 644, 730, 736, 784, 805, 896, 920, 980, 1022, 1024, 1120, 1127, 1168, 1280, 1288, 1460, 1472, 1568, 1610, 1679, 1792, 1840, 1960, 2044, 2240, 2254, 2336, 2555, 2560, 2576, 2920, 2944, 3136, 3220, 3358, 3577, 3584, 3680, 3920, 4088, 4480, 4508, 4672, 5110, 5120, 5152, 5635, 5840, 5888, 6272, 6440, 6716, 7154, 7168, 7360, 7840, 8176, 8395, 8960, 9016, 9344, 10220, 10304, 11270, 11680, 11753, 11776, 12544, 12880, 13432, 14308, 14720, 15680, 16352, 16790, 17885, 17920, 18032, 18688, 20440, 20608, 22540, 23360, 23506, 23552, 25088, 25760, 26864, 28616, 29440, 31360, 32704, 33580, 35770, 35840, 36064, 37376, 40880, 41216, 45080, 46720, 47012, 50176, 51520, 53728, 57232, 58765, 58880, 62720, 65408, 67160, 71540, 72128, 74752, 81760, 82271, 82432, 90160, 93440, 94024, 103040, 107456, 114464, 117530, 117760, 125440, 130816, 134320, 143080, 144256, 163520, 164542, 164864, 180320, 186880, 188048, 206080, 214912, 228928, 235060, 250880, 261632, 268640, 286160, 288512, 327040, 329084, 360640, 373760, 376096, 411355, 412160, 429824, 457856, 470120, 523264, 537280, 572320, 577024, 654080, 658168, 721280, 752192, 822710, 824320, 859648, 915712, 940240, 1074560, 1144640, 1154048, 1308160, 1316336, 1442560, 1504384, 1645420, 1719296, 1831424, 1880480, 2149120, 2289280, 2616320, 2632672, 2885120, 3008768, 3290840, 3662848, 3760960, 4298240, 4578560, 5265344, 5770240, 6017536, 6581680, 7521920, 8596480, 9157120, 10530688, 12035072, 13163360, 15043840, 18314240, 21061376, 26326720, 30087680, 42122752, 52653440, 60175360, 84245504, 105306880, 210613760, 421227520]

約数ペア:

[(1, 421227520), (2, 210613760), (4, 105306880), (5, 84245504), (7, 60175360), (8, 52653440), (10, 42122752), (14, 30087680), (16, 26326720), (20, 21061376), (23, 18314240), (28, 15043840), (32, 13163360), (35, 12035072), (40, 10530688), (46, 9157120), (49, 8596480), (56, 7521920), (64, 6581680), (70, 6017536), (73, 5770240), (80, 5265344), (92, 4578560), (98, 4298240), (112, 3760960), (115, 3662848), (128, 3290840), (140, 3008768), (146, 2885120), (160, 2632672), (161, 2616320), (184, 2289280), (196, 2149120), (224, 1880480), (230, 1831424), (245, 1719296), (256, 1645420), (280, 1504384), (292, 1442560), (320, 1316336), (322, 1308160), (365, 1154048), (368, 1144640), (392, 1074560), (448, 940240), (460, 915712), (490, 859648), (511, 824320), (512, 822710), (560, 752192), (584, 721280), (640, 658168), (644, 654080), (730, 577024), (736, 572320), (784, 537280), (805, 523264), (896, 470120), (920, 457856), (980, 429824), (1022, 412160), (1024, 411355), (1120, 376096), (1127, 373760), (1168, 360640), (1280, 329084), (1288, 327040), (1460, 288512), (1472, 286160), (1568, 268640), (1610, 261632), (1679, 250880), (1792, 235060), (1840, 228928), (1960, 214912), (2044, 206080), (2240, 188048), (2254, 186880), (2336, 180320), (2555, 164864), (2560, 164542), (2576, 163520), (2920, 144256), (2944, 143080), (3136, 134320), (3220, 130816), (3358, 125440), (3577, 117760), (3584, 117530), (3680, 114464), (3920, 107456), (4088, 103040), (4480, 94024), (4508, 93440), (4672, 90160), (5110, 82432), (5120, 82271), (5152, 81760), (5635, 74752), (5840, 72128), (5888, 71540), (6272, 67160), (6440, 65408), (6716, 62720), (7154, 58880), (7168, 58765), (7360, 57232), (7840, 53728), (8176, 51520), (8395, 50176), (8960, 47012), (9016, 46720), (9344, 45080), (10220, 41216), (10304, 40880), (11270, 37376), (11680, 36064), (11753, 35840), (11776, 35770), (12544, 33580), (12880, 32704), (13432, 31360), (14308, 29440), (14720, 28616), (15680, 26864), (16352, 25760), (16790, 25088), (17885, 23552), (17920, 23506), (18032, 23360), (18688, 22540), (20440, 20608)]