72981180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1087}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 222173952

約数和(自身を除く): 149192772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 373, 746, 1087, 1119, 1492, 1865, 2174, 2238, 3261, 3357, 3730, 4348, 4476, 5435, 5595, 6522, 6714, 7460, 9783, 10870, 11190, 13044, 13428, 16305, 16785, 19566, 21740, 22380, 32610, 33570, 39132, 48915, 65220, 67140, 97830, 195660, 405451, 810902, 1216353, 1621804, 2027255, 2432706, 3649059, 4054510, 4865412, 6081765, 7298118, 8109020, 12163530, 14596236, 18245295, 24327060, 36490590, 72981180]

約数ペア:

[(1, 72981180), (2, 36490590), (3, 24327060), (4, 18245295), (5, 14596236), (6, 12163530), (9, 8109020), (10, 7298118), (12, 6081765), (15, 4865412), (18, 4054510), (20, 3649059), (30, 2432706), (36, 2027255), (45, 1621804), (60, 1216353), (90, 810902), (180, 405451), (373, 195660), (746, 97830), (1087, 67140), (1119, 65220), (1492, 48915), (1865, 39132), (2174, 33570), (2238, 32610), (3261, 22380), (3357, 21740), (3730, 19566), (4348, 16785), (4476, 16305), (5435, 13428), (5595, 13044), (6522, 11190), (6714, 10870), (7460, 9783)]