207089920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 543932928

約数和(自身を除く): 336843008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 307, 310, 320, 340, 496, 527, 544, 614, 620, 640, 680, 992, 1054, 1088, 1228, 1240, 1280, 1360, 1535, 1984, 2108, 2176, 2456, 2480, 2635, 2720, 3070, 3968, 4216, 4352, 4912, 4960, 5219, 5270, 5440, 6140, 7936, 8432, 9517, 9824, 9920, 10438, 10540, 10880, 12280, 16864, 19034, 19648, 19840, 20876, 21080, 21760, 24560, 26095, 33728, 38068, 39296, 39680, 41752, 42160, 47585, 49120, 52190, 67456, 76136, 78592, 83504, 84320, 95170, 98240, 104380, 134912, 152272, 161789, 167008, 168640, 190340, 196480, 208760, 304544, 323578, 334016, 337280, 380680, 392960, 417520, 609088, 647156, 668032, 674560, 761360, 808945, 835040, 1218176, 1294312, 1336064, 1522720, 1617890, 1670080, 2436352, 2588624, 3045440, 3235780, 3340160, 5177248, 6090880, 6471560, 6680320, 10354496, 12181760, 12943120, 20708992, 25886240, 41417984, 51772480, 103544960, 207089920]

約数ペア:

[(1, 207089920), (2, 103544960), (4, 51772480), (5, 41417984), (8, 25886240), (10, 20708992), (16, 12943120), (17, 12181760), (20, 10354496), (31, 6680320), (32, 6471560), (34, 6090880), (40, 5177248), (62, 3340160), (64, 3235780), (68, 3045440), (80, 2588624), (85, 2436352), (124, 1670080), (128, 1617890), (136, 1522720), (155, 1336064), (160, 1294312), (170, 1218176), (248, 835040), (256, 808945), (272, 761360), (307, 674560), (310, 668032), (320, 647156), (340, 609088), (496, 417520), (527, 392960), (544, 380680), (614, 337280), (620, 334016), (640, 323578), (680, 304544), (992, 208760), (1054, 196480), (1088, 190340), (1228, 168640), (1240, 167008), (1280, 161789), (1360, 152272), (1535, 134912), (1984, 104380), (2108, 98240), (2176, 95170), (2456, 84320), (2480, 83504), (2635, 78592), (2720, 76136), (3070, 67456), (3968, 52190), (4216, 49120), (4352, 47585), (4912, 42160), (4960, 41752), (5219, 39680), (5270, 39296), (5440, 38068), (6140, 33728), (7936, 26095), (8432, 24560), (9517, 21760), (9824, 21080), (9920, 20876), (10438, 19840), (10540, 19648), (10880, 19034), (12280, 16864)]