168996880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3779}}^1$

素因数の和:3848

約数の個数: 80

約数和(自身を含む): 433097280

約数和(自身を除く): 264100400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 3779, 4472, 5590, 7558, 8944, 11180, 15116, 18895, 22360, 30232, 37790, 44720, 49127, 60464, 75580, 98254, 151160, 162497, 196508, 245635, 302320, 324994, 393016, 491270, 649988, 786032, 812485, 982540, 1299976, 1624970, 1965080, 2112461, 2599952, 3249940, 3930160, 4224922, 6499880, 8449844, 10562305, 12999760, 16899688, 21124610, 33799376, 42249220, 84498440, 168996880]

約数ペア:

[(1, 168996880), (2, 84498440), (4, 42249220), (5, 33799376), (8, 21124610), (10, 16899688), (13, 12999760), (16, 10562305), (20, 8449844), (26, 6499880), (40, 4224922), (43, 3930160), (52, 3249940), (65, 2599952), (80, 2112461), (86, 1965080), (104, 1624970), (130, 1299976), (172, 982540), (208, 812485), (215, 786032), (260, 649988), (344, 491270), (430, 393016), (520, 324994), (559, 302320), (688, 245635), (860, 196508), (1040, 162497), (1118, 151160), (1720, 98254), (2236, 75580), (2795, 60464), (3440, 49127), (3779, 44720), (4472, 37790), (5590, 30232), (7558, 22360), (8944, 18895), (11180, 15116)]