208645760

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 535818240

約数和(自身を除く): 327172480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 128, 136, 151, 160, 170, 254, 272, 302, 320, 340, 508, 544, 604, 635, 640, 680, 755, 1016, 1088, 1208, 1270, 1360, 1510, 2032, 2159, 2176, 2416, 2540, 2567, 2720, 3020, 4064, 4318, 4832, 5080, 5134, 5440, 6040, 8128, 8636, 9664, 10160, 10268, 10795, 10880, 12080, 12835, 16256, 17272, 19177, 19328, 20320, 20536, 21590, 24160, 25670, 34544, 38354, 40640, 41072, 43180, 48320, 51340, 69088, 76708, 81280, 82144, 86360, 95885, 96640, 102680, 138176, 153416, 164288, 172720, 191770, 205360, 276352, 306832, 326009, 328576, 345440, 383540, 410720, 613664, 652018, 690880, 767080, 821440, 1227328, 1304036, 1381760, 1534160, 1630045, 1642880, 2454656, 2608072, 3068320, 3260090, 5216144, 6136640, 6520180, 10432288, 12273280, 13040360, 20864576, 26080720, 41729152, 52161440, 104322880, 208645760]

約数ペア:

[(1, 208645760), (2, 104322880), (4, 52161440), (5, 41729152), (8, 26080720), (10, 20864576), (16, 13040360), (17, 12273280), (20, 10432288), (32, 6520180), (34, 6136640), (40, 5216144), (64, 3260090), (68, 3068320), (80, 2608072), (85, 2454656), (127, 1642880), (128, 1630045), (136, 1534160), (151, 1381760), (160, 1304036), (170, 1227328), (254, 821440), (272, 767080), (302, 690880), (320, 652018), (340, 613664), (508, 410720), (544, 383540), (604, 345440), (635, 328576), (640, 326009), (680, 306832), (755, 276352), (1016, 205360), (1088, 191770), (1208, 172720), (1270, 164288), (1360, 153416), (1510, 138176), (2032, 102680), (2159, 96640), (2176, 95885), (2416, 86360), (2540, 82144), (2567, 81280), (2720, 76708), (3020, 69088), (4064, 51340), (4318, 48320), (4832, 43180), (5080, 41072), (5134, 40640), (5440, 38354), (6040, 34544), (8128, 25670), (8636, 24160), (9664, 21590), (10160, 20536), (10268, 20320), (10795, 19328), (10880, 19177), (12080, 17272), (12835, 16256)]