81147888

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7937}}^1$

素因数の和:8022

約数の個数: 60

約数和(自身を含む): 230329008

約数和(自身を除く): 149181120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 7937, 10224, 15874, 23811, 31748, 47622, 63496, 71433, 95244, 126992, 142866, 190488, 285732, 380976, 563527, 571464, 1127054, 1142928, 1690581, 2254108, 3381162, 4508216, 5071743, 6762324, 9016432, 10143486, 13524648, 20286972, 27049296, 40573944, 81147888]

約数ペア:

[(1, 81147888), (2, 40573944), (3, 27049296), (4, 20286972), (6, 13524648), (8, 10143486), (9, 9016432), (12, 6762324), (16, 5071743), (18, 4508216), (24, 3381162), (36, 2254108), (48, 1690581), (71, 1142928), (72, 1127054), (142, 571464), (144, 563527), (213, 380976), (284, 285732), (426, 190488), (568, 142866), (639, 126992), (852, 95244), (1136, 71433), (1278, 63496), (1704, 47622), (2556, 31748), (3408, 23811), (5112, 15874), (7937, 10224)]