131255550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:243

約数の個数: 108

約数和(自身を含む): 367806816

約数和(自身を除く): 236551266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 97, 150, 155, 186, 194, 225, 279, 291, 310, 450, 465, 485, 558, 582, 775, 873, 930, 970, 1395, 1455, 1550, 1746, 2325, 2425, 2790, 2910, 3007, 4365, 4650, 4850, 6014, 6975, 7275, 8730, 9021, 9409, 13950, 14550, 15035, 18042, 18818, 21825, 27063, 28227, 30070, 43650, 45105, 47045, 54126, 56454, 75175, 84681, 90210, 94090, 135315, 141135, 150350, 169362, 225525, 235225, 270630, 282270, 291679, 423405, 451050, 470450, 583358, 676575, 705675, 846810, 875037, 1353150, 1411350, 1458395, 1750074, 2117025, 2625111, 2916790, 4234050, 4375185, 5250222, 7291975, 8750370, 13125555, 14583950, 21875925, 26251110, 43751850, 65627775, 131255550]

約数ペア:

[(1, 131255550), (2, 65627775), (3, 43751850), (5, 26251110), (6, 21875925), (9, 14583950), (10, 13125555), (15, 8750370), (18, 7291975), (25, 5250222), (30, 4375185), (31, 4234050), (45, 2916790), (50, 2625111), (62, 2117025), (75, 1750074), (90, 1458395), (93, 1411350), (97, 1353150), (150, 875037), (155, 846810), (186, 705675), (194, 676575), (225, 583358), (279, 470450), (291, 451050), (310, 423405), (450, 291679), (465, 282270), (485, 270630), (558, 235225), (582, 225525), (775, 169362), (873, 150350), (930, 141135), (970, 135315), (1395, 94090), (1455, 90210), (1550, 84681), (1746, 75175), (2325, 56454), (2425, 54126), (2790, 47045), (2910, 45105), (3007, 43650), (4365, 30070), (4650, 28227), (4850, 27063), (6014, 21825), (6975, 18818), (7275, 18042), (8730, 15035), (9021, 14550), (9409, 13950)]