131445120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 422231040

約数和(自身を除く): 290785920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 223, 240, 307, 320, 384, 446, 480, 614, 640, 669, 892, 921, 960, 1115, 1228, 1338, 1535, 1784, 1842, 1920, 2230, 2456, 2676, 3070, 3345, 3568, 3684, 4460, 4605, 4912, 5352, 6140, 6690, 7136, 7368, 8920, 9210, 9824, 10704, 12280, 13380, 14272, 14736, 17840, 18420, 19648, 21408, 24560, 26760, 28544, 29472, 35680, 36840, 39296, 42816, 49120, 53520, 58944, 68461, 71360, 73680, 85632, 98240, 107040, 117888, 136922, 142720, 147360, 196480, 205383, 214080, 273844, 294720, 342305, 410766, 428160, 547688, 589440, 684610, 821532, 1026915, 1095376, 1369220, 1643064, 2053830, 2190752, 2738440, 3286128, 4107660, 4381504, 5476880, 6572256, 8215320, 8763008, 10953760, 13144512, 16430640, 21907520, 26289024, 32861280, 43815040, 65722560, 131445120]

約数ペア:

[(1, 131445120), (2, 65722560), (3, 43815040), (4, 32861280), (5, 26289024), (6, 21907520), (8, 16430640), (10, 13144512), (12, 10953760), (15, 8763008), (16, 8215320), (20, 6572256), (24, 5476880), (30, 4381504), (32, 4107660), (40, 3286128), (48, 2738440), (60, 2190752), (64, 2053830), (80, 1643064), (96, 1369220), (120, 1095376), (128, 1026915), (160, 821532), (192, 684610), (223, 589440), (240, 547688), (307, 428160), (320, 410766), (384, 342305), (446, 294720), (480, 273844), (614, 214080), (640, 205383), (669, 196480), (892, 147360), (921, 142720), (960, 136922), (1115, 117888), (1228, 107040), (1338, 98240), (1535, 85632), (1784, 73680), (1842, 71360), (1920, 68461), (2230, 58944), (2456, 53520), (2676, 49120), (3070, 42816), (3345, 39296), (3568, 36840), (3684, 35680), (4460, 29472), (4605, 28544), (4912, 26760), (5352, 24560), (6140, 21408), (6690, 19648), (7136, 18420), (7368, 17840), (8920, 14736), (9210, 14272), (9824, 13380), (10704, 12280)]