81630036

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 216687744

約数和(自身を除く): 135057708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 311, 317, 414, 622, 634, 828, 933, 951, 1244, 1268, 1866, 1902, 2799, 2853, 3732, 3804, 5598, 5706, 7153, 7291, 11196, 11412, 14306, 14582, 21459, 21873, 28612, 29164, 42918, 43746, 64377, 65619, 85836, 87492, 98587, 128754, 131238, 197174, 257508, 262476, 295761, 394348, 591522, 887283, 1183044, 1774566, 2267501, 3549132, 4535002, 6802503, 9070004, 13605006, 20407509, 27210012, 40815018, 81630036]

約数ペア:

[(1, 81630036), (2, 40815018), (3, 27210012), (4, 20407509), (6, 13605006), (9, 9070004), (12, 6802503), (18, 4535002), (23, 3549132), (36, 2267501), (46, 1774566), (69, 1183044), (92, 887283), (138, 591522), (207, 394348), (276, 295761), (311, 262476), (317, 257508), (414, 197174), (622, 131238), (634, 128754), (828, 98587), (933, 87492), (951, 85836), (1244, 65619), (1268, 64377), (1866, 43746), (1902, 42918), (2799, 29164), (2853, 28612), (3732, 21873), (3804, 21459), (5598, 14582), (5706, 14306), (7153, 11412), (7291, 11196)]