71877760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 189475200

約数和(自身を除く): 117597440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 257, 304, 320, 368, 380, 437, 460, 514, 608, 640, 736, 760, 874, 920, 1028, 1216, 1285, 1472, 1520, 1748, 1840, 2056, 2185, 2432, 2570, 2944, 3040, 3496, 3680, 4112, 4370, 4883, 5140, 5911, 6080, 6992, 7360, 8224, 8740, 9766, 10280, 11822, 12160, 13984, 14720, 16448, 17480, 19532, 20560, 23644, 24415, 27968, 29555, 32896, 34960, 39064, 41120, 47288, 48830, 55936, 59110, 69920, 78128, 82240, 94576, 97660, 112309, 118220, 139840, 156256, 164480, 189152, 195320, 224618, 236440, 279680, 312512, 378304, 390640, 449236, 472880, 561545, 625024, 756608, 781280, 898472, 945760, 1123090, 1562560, 1796944, 1891520, 2246180, 3125120, 3593888, 3783040, 4492360, 7187776, 8984720, 14375552, 17969440, 35938880, 71877760]

約数ペア:

[(1, 71877760), (2, 35938880), (4, 17969440), (5, 14375552), (8, 8984720), (10, 7187776), (16, 4492360), (19, 3783040), (20, 3593888), (23, 3125120), (32, 2246180), (38, 1891520), (40, 1796944), (46, 1562560), (64, 1123090), (76, 945760), (80, 898472), (92, 781280), (95, 756608), (115, 625024), (128, 561545), (152, 472880), (160, 449236), (184, 390640), (190, 378304), (230, 312512), (257, 279680), (304, 236440), (320, 224618), (368, 195320), (380, 189152), (437, 164480), (460, 156256), (514, 139840), (608, 118220), (640, 112309), (736, 97660), (760, 94576), (874, 82240), (920, 78128), (1028, 69920), (1216, 59110), (1285, 55936), (1472, 48830), (1520, 47288), (1748, 41120), (1840, 39064), (2056, 34960), (2185, 32896), (2432, 29555), (2570, 27968), (2944, 24415), (3040, 23644), (3496, 20560), (3680, 19532), (4112, 17480), (4370, 16448), (4883, 14720), (5140, 13984), (5911, 12160), (6080, 11822), (6992, 10280), (7360, 9766), (8224, 8740)]