77978280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1543

約数の個数: 128

約数和(自身を含む): 257126400

約数和(自身を除く): 179148120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1487, 1748, 2185, 2280, 2622, 2760, 2974, 3496, 4370, 4461, 5244, 5948, 6555, 7435, 8740, 8922, 10488, 11896, 13110, 14870, 17480, 17844, 22305, 26220, 28253, 29740, 34201, 35688, 44610, 52440, 56506, 59480, 68402, 84759, 89220, 102603, 113012, 136804, 141265, 169518, 171005, 178440, 205206, 226024, 273608, 282530, 339036, 342010, 410412, 423795, 513015, 565060, 649819, 678072, 684020, 820824, 847590, 1026030, 1130120, 1299638, 1368040, 1695180, 1949457, 2052060, 2599276, 3249095, 3390360, 3898914, 4104120, 5198552, 6498190, 7797828, 9747285, 12996380, 15595656, 19494570, 25992760, 38989140, 77978280]

約数ペア:

[(1, 77978280), (2, 38989140), (3, 25992760), (4, 19494570), (5, 15595656), (6, 12996380), (8, 9747285), (10, 7797828), (12, 6498190), (15, 5198552), (19, 4104120), (20, 3898914), (23, 3390360), (24, 3249095), (30, 2599276), (38, 2052060), (40, 1949457), (46, 1695180), (57, 1368040), (60, 1299638), (69, 1130120), (76, 1026030), (92, 847590), (95, 820824), (114, 684020), (115, 678072), (120, 649819), (138, 565060), (152, 513015), (184, 423795), (190, 410412), (228, 342010), (230, 339036), (276, 282530), (285, 273608), (345, 226024), (380, 205206), (437, 178440), (456, 171005), (460, 169518), (552, 141265), (570, 136804), (690, 113012), (760, 102603), (874, 89220), (920, 84759), (1140, 68402), (1311, 59480), (1380, 56506), (1487, 52440), (1748, 44610), (2185, 35688), (2280, 34201), (2622, 29740), (2760, 28253), (2974, 26220), (3496, 22305), (4370, 17844), (4461, 17480), (5244, 14870), (5948, 13110), (6555, 11896), (7435, 10488), (8740, 8922)]