819383680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:756

約数の個数: 128

約数和(自身を含む): 2093921280

約数和(自身を除く): 1274537600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 128, 136, 160, 170, 254, 272, 320, 340, 508, 544, 593, 635, 640, 680, 1016, 1088, 1186, 1270, 1360, 2032, 2159, 2176, 2372, 2540, 2720, 2965, 4064, 4318, 4744, 5080, 5440, 5930, 8128, 8636, 9488, 10081, 10160, 10795, 10880, 11860, 16256, 17272, 18976, 20162, 20320, 21590, 23720, 34544, 37952, 40324, 40640, 43180, 47440, 50405, 69088, 75311, 75904, 80648, 81280, 86360, 94880, 100810, 138176, 150622, 161296, 172720, 189760, 201620, 276352, 301244, 322592, 345440, 376555, 379520, 403240, 602488, 645184, 690880, 753110, 806480, 1204976, 1280287, 1290368, 1381760, 1506220, 1612960, 2409952, 2560574, 3012440, 3225920, 4819904, 5121148, 6024880, 6401435, 6451840, 9639808, 10242296, 12049760, 12802870, 20484592, 24099520, 25605740, 40969184, 48199040, 51211480, 81938368, 102422960, 163876736, 204845920, 409691840, 819383680]

約数ペア:

[(1, 819383680), (2, 409691840), (4, 204845920), (5, 163876736), (8, 102422960), (10, 81938368), (16, 51211480), (17, 48199040), (20, 40969184), (32, 25605740), (34, 24099520), (40, 20484592), (64, 12802870), (68, 12049760), (80, 10242296), (85, 9639808), (127, 6451840), (128, 6401435), (136, 6024880), (160, 5121148), (170, 4819904), (254, 3225920), (272, 3012440), (320, 2560574), (340, 2409952), (508, 1612960), (544, 1506220), (593, 1381760), (635, 1290368), (640, 1280287), (680, 1204976), (1016, 806480), (1088, 753110), (1186, 690880), (1270, 645184), (1360, 602488), (2032, 403240), (2159, 379520), (2176, 376555), (2372, 345440), (2540, 322592), (2720, 301244), (2965, 276352), (4064, 201620), (4318, 189760), (4744, 172720), (5080, 161296), (5440, 150622), (5930, 138176), (8128, 100810), (8636, 94880), (9488, 86360), (10081, 81280), (10160, 80648), (10795, 75904), (10880, 75311), (11860, 69088), (16256, 50405), (17272, 47440), (18976, 43180), (20162, 40640), (20320, 40324), (21590, 37952), (23720, 34544)]