71807220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1087}}^1$

素因数の和:1469

約数の個数: 72

約数和(自身を含む): 218609664

約数和(自身を除く): 146802444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 734, 1087, 1101, 1468, 1835, 2174, 2202, 3261, 3303, 3670, 4348, 4404, 5435, 5505, 6522, 6606, 7340, 9783, 10870, 11010, 13044, 13212, 16305, 16515, 19566, 21740, 22020, 32610, 33030, 39132, 48915, 65220, 66060, 97830, 195660, 398929, 797858, 1196787, 1595716, 1994645, 2393574, 3590361, 3989290, 4787148, 5983935, 7180722, 7978580, 11967870, 14361444, 17951805, 23935740, 35903610, 71807220]

約数ペア:

[(1, 71807220), (2, 35903610), (3, 23935740), (4, 17951805), (5, 14361444), (6, 11967870), (9, 7978580), (10, 7180722), (12, 5983935), (15, 4787148), (18, 3989290), (20, 3590361), (30, 2393574), (36, 1994645), (45, 1595716), (60, 1196787), (90, 797858), (180, 398929), (367, 195660), (734, 97830), (1087, 66060), (1101, 65220), (1468, 48915), (1835, 39132), (2174, 33030), (2202, 32610), (3261, 22020), (3303, 21740), (3670, 19566), (4348, 16515), (4404, 16305), (5435, 13212), (5505, 13044), (6522, 11010), (6606, 10870), (7340, 9783)]