128742880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1712

約数の個数: 96

約数和(自身を含む): 352719360

約数和(自身を除く): 223976480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1619, 1988, 2272, 2485, 2840, 3238, 3976, 4970, 5680, 6476, 7952, 8095, 9940, 11333, 11360, 12952, 15904, 16190, 19880, 22666, 25904, 32380, 39760, 45332, 51808, 56665, 64760, 79520, 90664, 113330, 114949, 129520, 181328, 226660, 229898, 259040, 362656, 453320, 459796, 574745, 804643, 906640, 919592, 1149490, 1609286, 1813280, 1839184, 2298980, 3218572, 3678368, 4023215, 4597960, 6437144, 8046430, 9195920, 12874288, 16092860, 18391840, 25748576, 32185720, 64371440, 128742880]

約数ペア:

[(1, 128742880), (2, 64371440), (4, 32185720), (5, 25748576), (7, 18391840), (8, 16092860), (10, 12874288), (14, 9195920), (16, 8046430), (20, 6437144), (28, 4597960), (32, 4023215), (35, 3678368), (40, 3218572), (56, 2298980), (70, 1839184), (71, 1813280), (80, 1609286), (112, 1149490), (140, 919592), (142, 906640), (160, 804643), (224, 574745), (280, 459796), (284, 453320), (355, 362656), (497, 259040), (560, 229898), (568, 226660), (710, 181328), (994, 129520), (1120, 114949), (1136, 113330), (1420, 90664), (1619, 79520), (1988, 64760), (2272, 56665), (2485, 51808), (2840, 45332), (3238, 39760), (3976, 32380), (4970, 25904), (5680, 22666), (6476, 19880), (7952, 16190), (8095, 15904), (9940, 12952), (11333, 11360)]