81100350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1034

約数の個数: 72

約数和(自身を含む): 219119160

約数和(自身を除く): 138018810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 229, 450, 458, 687, 787, 1145, 1374, 1574, 2061, 2290, 2361, 3435, 3935, 4122, 4722, 5725, 6870, 7083, 7870, 10305, 11450, 11805, 14166, 17175, 19675, 20610, 23610, 34350, 35415, 39350, 51525, 59025, 70830, 103050, 118050, 177075, 180223, 354150, 360446, 540669, 901115, 1081338, 1622007, 1802230, 2703345, 3244014, 4505575, 5406690, 8110035, 9011150, 13516725, 16220070, 27033450, 40550175, 81100350]

約数ペア:

[(1, 81100350), (2, 40550175), (3, 27033450), (5, 16220070), (6, 13516725), (9, 9011150), (10, 8110035), (15, 5406690), (18, 4505575), (25, 3244014), (30, 2703345), (45, 1802230), (50, 1622007), (75, 1081338), (90, 901115), (150, 540669), (225, 360446), (229, 354150), (450, 180223), (458, 177075), (687, 118050), (787, 103050), (1145, 70830), (1374, 59025), (1574, 51525), (2061, 39350), (2290, 35415), (2361, 34350), (3435, 23610), (3935, 20610), (4122, 19675), (4722, 17175), (5725, 14166), (6870, 11805), (7083, 11450), (7870, 10305)]