51377820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 156172800

約数和(自身を除く): 104794980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 331, 390, 398, 597, 662, 780, 796, 993, 995, 1194, 1324, 1655, 1986, 1990, 2388, 2587, 2985, 3310, 3972, 3980, 4303, 4965, 5174, 5970, 6620, 7761, 8606, 9930, 10348, 11940, 12909, 12935, 15522, 17212, 19860, 21515, 25818, 25870, 31044, 38805, 43030, 51636, 51740, 64545, 65869, 77610, 86060, 129090, 131738, 155220, 197607, 258180, 263476, 329345, 395214, 658690, 790428, 856297, 988035, 1317380, 1712594, 1976070, 2568891, 3425188, 3952140, 4281485, 5137782, 8562970, 10275564, 12844455, 17125940, 25688910, 51377820]

約数ペア:

[(1, 51377820), (2, 25688910), (3, 17125940), (4, 12844455), (5, 10275564), (6, 8562970), (10, 5137782), (12, 4281485), (13, 3952140), (15, 3425188), (20, 2568891), (26, 1976070), (30, 1712594), (39, 1317380), (52, 988035), (60, 856297), (65, 790428), (78, 658690), (130, 395214), (156, 329345), (195, 263476), (199, 258180), (260, 197607), (331, 155220), (390, 131738), (398, 129090), (597, 86060), (662, 77610), (780, 65869), (796, 64545), (993, 51740), (995, 51636), (1194, 43030), (1324, 38805), (1655, 31044), (1986, 25870), (1990, 25818), (2388, 21515), (2587, 19860), (2985, 17212), (3310, 15522), (3972, 12935), (3980, 12909), (4303, 11940), (4965, 10348), (5174, 9930), (5970, 8606), (6620, 7761)]