128322560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 88

約数和(自身を含む): 313043616

約数和(自身を除く): 184721056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 353, 355, 512, 568, 640, 706, 710, 1024, 1136, 1280, 1412, 1420, 1765, 2272, 2560, 2824, 2840, 3530, 4544, 5120, 5648, 5680, 7060, 9088, 11296, 11360, 14120, 18176, 22592, 22720, 25063, 28240, 36352, 45184, 45440, 50126, 56480, 72704, 90368, 90880, 100252, 112960, 125315, 180736, 181760, 200504, 225920, 250630, 361472, 363520, 401008, 451840, 501260, 802016, 903680, 1002520, 1604032, 1807360, 2005040, 3208064, 4010080, 6416128, 8020160, 12832256, 16040320, 25664512, 32080640, 64161280, 128322560]

約数ペア:

[(1, 128322560), (2, 64161280), (4, 32080640), (5, 25664512), (8, 16040320), (10, 12832256), (16, 8020160), (20, 6416128), (32, 4010080), (40, 3208064), (64, 2005040), (71, 1807360), (80, 1604032), (128, 1002520), (142, 903680), (160, 802016), (256, 501260), (284, 451840), (320, 401008), (353, 363520), (355, 361472), (512, 250630), (568, 225920), (640, 200504), (706, 181760), (710, 180736), (1024, 125315), (1136, 112960), (1280, 100252), (1412, 90880), (1420, 90368), (1765, 72704), (2272, 56480), (2560, 50126), (2824, 45440), (2840, 45184), (3530, 36352), (4544, 28240), (5120, 25063), (5648, 22720), (5680, 22592), (7060, 18176), (9088, 14120), (11296, 11360)]