1377456640

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 240

約数和(自身を含む): 3918499200

約数和(自身を除く): 2541042560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 139, 140, 158, 160, 196, 224, 245, 256, 278, 280, 316, 320, 392, 395, 448, 490, 512, 553, 556, 560, 632, 640, 695, 784, 790, 896, 973, 980, 1106, 1112, 1120, 1264, 1280, 1390, 1568, 1580, 1792, 1946, 1960, 2212, 2224, 2240, 2528, 2560, 2765, 2780, 3136, 3160, 3584, 3871, 3892, 3920, 4424, 4448, 4480, 4865, 5056, 5530, 5560, 6272, 6320, 6811, 7742, 7784, 7840, 8848, 8896, 8960, 9730, 10112, 10981, 11060, 11120, 12544, 12640, 13622, 15484, 15568, 15680, 17696, 17792, 17920, 19355, 19460, 20224, 21962, 22120, 22240, 25088, 25280, 27244, 30968, 31136, 31360, 34055, 35392, 35584, 38710, 38920, 40448, 43924, 44240, 44480, 50560, 54488, 54905, 61936, 62272, 62720, 68110, 70784, 71168, 76867, 77420, 77840, 87848, 88480, 88960, 101120, 108976, 109810, 123872, 124544, 125440, 136220, 141568, 153734, 154840, 155680, 175696, 176960, 177920, 202240, 217952, 219620, 247744, 249088, 272440, 283136, 307468, 309680, 311360, 351392, 353920, 355840, 384335, 435904, 439240, 495488, 498176, 538069, 544880, 614936, 619360, 622720, 702784, 707840, 768670, 871808, 878480, 990976, 1076138, 1089760, 1229872, 1238720, 1245440, 1405568, 1415680, 1537340, 1743616, 1756960, 1981952, 2152276, 2179520, 2459744, 2477440, 2490880, 2690345, 2811136, 3074680, 3487232, 3513920, 4304552, 4359040, 4919488, 4954880, 5380690, 5622272, 6149360, 7027840, 8609104, 8718080, 9838976, 9909760, 10761380, 12298720, 14055680, 17218208, 17436160, 19677952, 21522760, 24597440, 28111360, 34436416, 39355904, 43045520, 49194880, 68872832, 86091040, 98389760, 137745664, 172182080, 196779520, 275491328, 344364160, 688728320, 1377456640]

約数ペア:

[(1, 1377456640), (2, 688728320), (4, 344364160), (5, 275491328), (7, 196779520), (8, 172182080), (10, 137745664), (14, 98389760), (16, 86091040), (20, 68872832), (28, 49194880), (32, 43045520), (35, 39355904), (40, 34436416), (49, 28111360), (56, 24597440), (64, 21522760), (70, 19677952), (79, 17436160), (80, 17218208), (98, 14055680), (112, 12298720), (128, 10761380), (139, 9909760), (140, 9838976), (158, 8718080), (160, 8609104), (196, 7027840), (224, 6149360), (245, 5622272), (256, 5380690), (278, 4954880), (280, 4919488), (316, 4359040), (320, 4304552), (392, 3513920), (395, 3487232), (448, 3074680), (490, 2811136), (512, 2690345), (553, 2490880), (556, 2477440), (560, 2459744), (632, 2179520), (640, 2152276), (695, 1981952), (784, 1756960), (790, 1743616), (896, 1537340), (973, 1415680), (980, 1405568), (1106, 1245440), (1112, 1238720), (1120, 1229872), (1264, 1089760), (1280, 1076138), (1390, 990976), (1568, 878480), (1580, 871808), (1792, 768670), (1946, 707840), (1960, 702784), (2212, 622720), (2224, 619360), (2240, 614936), (2528, 544880), (2560, 538069), (2765, 498176), (2780, 495488), (3136, 439240), (3160, 435904), (3584, 384335), (3871, 355840), (3892, 353920), (3920, 351392), (4424, 311360), (4448, 309680), (4480, 307468), (4865, 283136), (5056, 272440), (5530, 249088), (5560, 247744), (6272, 219620), (6320, 217952), (6811, 202240), (7742, 177920), (7784, 176960), (7840, 175696), (8848, 155680), (8896, 154840), (8960, 153734), (9730, 141568), (10112, 136220), (10981, 125440), (11060, 124544), (11120, 123872), (12544, 109810), (12640, 108976), (13622, 101120), (15484, 88960), (15568, 88480), (15680, 87848), (17696, 77840), (17792, 77420), (17920, 76867), (19355, 71168), (19460, 70784), (20224, 68110), (21962, 62720), (22120, 62272), (22240, 61936), (25088, 54905), (25280, 54488), (27244, 50560), (30968, 44480), (31136, 44240), (31360, 43924), (34055, 40448), (35392, 38920), (35584, 38710)]