156979183720

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1\times {\mathrm{30493}}^1$

素因数の和:31402

約数の個数: 64

約数和(自身を含む): 355682016000

約数和(自身を除く): 198702832280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 719, 895, 1432, 1438, 1790, 2876, 3580, 3595, 5752, 7160, 7190, 14380, 28760, 30493, 60986, 121972, 128701, 152465, 243944, 257402, 304930, 514804, 609860, 643505, 1029608, 1219720, 1287010, 2574020, 5148040, 5458247, 10916494, 21832988, 21924467, 27291235, 43665976, 43848934, 54582470, 87697868, 109164940, 109622335, 175395736, 218329880, 219244670, 438489340, 876978680, 3924479593, 7848959186, 15697918372, 19622397965, 31395836744, 39244795930, 78489591860, 156979183720]

約数ペア:

[(1, 156979183720), (2, 78489591860), (4, 39244795930), (5, 31395836744), (8, 19622397965), (10, 15697918372), (20, 7848959186), (40, 3924479593), (179, 876978680), (358, 438489340), (716, 219244670), (719, 218329880), (895, 175395736), (1432, 109622335), (1438, 109164940), (1790, 87697868), (2876, 54582470), (3580, 43848934), (3595, 43665976), (5752, 27291235), (7160, 21924467), (7190, 21832988), (14380, 10916494), (28760, 5458247), (30493, 5148040), (60986, 2574020), (121972, 1287010), (128701, 1219720), (152465, 1029608), (243944, 643505), (257402, 609860), (304930, 514804)]