3111440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 8035200

約数和(自身を除く): 4923760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 89, 92, 95, 115, 152, 178, 184, 190, 230, 304, 356, 368, 380, 437, 445, 460, 712, 760, 874, 890, 920, 1424, 1520, 1691, 1748, 1780, 1840, 2047, 2185, 3382, 3496, 3560, 4094, 4370, 6764, 6992, 7120, 8188, 8455, 8740, 10235, 13528, 16376, 16910, 17480, 20470, 27056, 32752, 33820, 34960, 38893, 40940, 67640, 77786, 81880, 135280, 155572, 163760, 194465, 311144, 388930, 622288, 777860, 1555720, 3111440]

約数ペア:

[(1, 3111440), (2, 1555720), (4, 777860), (5, 622288), (8, 388930), (10, 311144), (16, 194465), (19, 163760), (20, 155572), (23, 135280), (38, 81880), (40, 77786), (46, 67640), (76, 40940), (80, 38893), (89, 34960), (92, 33820), (95, 32752), (115, 27056), (152, 20470), (178, 17480), (184, 16910), (190, 16376), (230, 13528), (304, 10235), (356, 8740), (368, 8455), (380, 8188), (437, 7120), (445, 6992), (460, 6764), (712, 4370), (760, 4094), (874, 3560), (890, 3496), (920, 3382), (1424, 2185), (1520, 2047), (1691, 1840), (1748, 1780)]