128932480

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 128

約数和(自身を含む): 339292800

約数和(自身を除く): 210360320

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, 304, 320, 368, 380, 437, 460, 461, 608, 640, 736, 760, 874, 920, 922, 1216, 1472, 1520, 1748, 1840, 1844, 2185, 2305, 2432, 2944, 3040, 3496, 3680, 3688, 4370, 4610, 6080, 6992, 7360, 7376, 8740, 8759, 9220, 10603, 12160, 13984, 14720, 14752, 17480, 17518, 18440, 21206, 27968, 29504, 34960, 35036, 36880, 42412, 43795, 53015, 55936, 59008, 69920, 70072, 73760, 84824, 87590, 106030, 139840, 140144, 147520, 169648, 175180, 201457, 212060, 279680, 280288, 295040, 339296, 350360, 402914, 424120, 560576, 678592, 700720, 805828, 848240, 1007285, 1121152, 1357184, 1401440, 1611656, 1696480, 2014570, 2802880, 3223312, 3392960, 4029140, 5605760, 6446624, 6785920, 8058280, 12893248, 16116560, 25786496, 32233120, 64466240, 128932480]

約数ペア:

[(1, 128932480), (2, 64466240), (4, 32233120), (5, 25786496), (8, 16116560), (10, 12893248), (16, 8058280), (19, 6785920), (20, 6446624), (23, 5605760), (32, 4029140), (38, 3392960), (40, 3223312), (46, 2802880), (64, 2014570), (76, 1696480), (80, 1611656), (92, 1401440), (95, 1357184), (115, 1121152), (128, 1007285), (152, 848240), (160, 805828), (184, 700720), (190, 678592), (230, 560576), (304, 424120), (320, 402914), (368, 350360), (380, 339296), (437, 295040), (460, 280288), (461, 279680), (608, 212060), (640, 201457), (736, 175180), (760, 169648), (874, 147520), (920, 140144), (922, 139840), (1216, 106030), (1472, 87590), (1520, 84824), (1748, 73760), (1840, 70072), (1844, 69920), (2185, 59008), (2305, 55936), (2432, 53015), (2944, 43795), (3040, 42412), (3496, 36880), (3680, 35036), (3688, 34960), (4370, 29504), (4610, 27968), (6080, 21206), (6992, 18440), (7360, 17518), (7376, 17480), (8740, 14752), (8759, 14720), (9220, 13984), (10603, 12160)]