636991360

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:624

約数の個数: 128

約数和(自身を含む): 1628605440

約数和(自身を除く): 991614080

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, 461, 508, 544, 635, 640, 680, 922, 1016, 1088, 1270, 1360, 1844, 2032, 2159, 2176, 2305, 2540, 2720, 3688, 4064, 4318, 4610, 5080, 5440, 7376, 7837, 8128, 8636, 9220, 10160, 10795, 10880, 14752, 15674, 16256, 17272, 18440, 20320, 21590, 29504, 31348, 34544, 36880, 39185, 40640, 43180, 58547, 59008, 62696, 69088, 73760, 78370, 81280, 86360, 117094, 125392, 138176, 147520, 156740, 172720, 234188, 250784, 276352, 292735, 295040, 313480, 345440, 468376, 501568, 585470, 626960, 690880, 936752, 995299, 1003136, 1170940, 1253920, 1381760, 1873504, 1990598, 2341880, 2507840, 3747008, 3981196, 4683760, 4976495, 5015680, 7494016, 7962392, 9367520, 9952990, 15924784, 18735040, 19905980, 31849568, 37470080, 39811960, 63699136, 79623920, 127398272, 159247840, 318495680, 636991360]

約数ペア:

[(1, 636991360), (2, 318495680), (4, 159247840), (5, 127398272), (8, 79623920), (10, 63699136), (16, 39811960), (17, 37470080), (20, 31849568), (32, 19905980), (34, 18735040), (40, 15924784), (64, 9952990), (68, 9367520), (80, 7962392), (85, 7494016), (127, 5015680), (128, 4976495), (136, 4683760), (160, 3981196), (170, 3747008), (254, 2507840), (272, 2341880), (320, 1990598), (340, 1873504), (461, 1381760), (508, 1253920), (544, 1170940), (635, 1003136), (640, 995299), (680, 936752), (922, 690880), (1016, 626960), (1088, 585470), (1270, 501568), (1360, 468376), (1844, 345440), (2032, 313480), (2159, 295040), (2176, 292735), (2305, 276352), (2540, 250784), (2720, 234188), (3688, 172720), (4064, 156740), (4318, 147520), (4610, 138176), (5080, 125392), (5440, 117094), (7376, 86360), (7837, 81280), (8128, 78370), (8636, 73760), (9220, 69088), (10160, 62696), (10795, 59008), (10880, 58547), (14752, 43180), (15674, 40640), (16256, 39185), (17272, 36880), (18440, 34544), (20320, 31348), (21590, 29504)]