81390840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14431}}^1$

素因数の和:14492

約数の個数: 64

約数和(自身を含む): 249384960

約数和(自身を除く): 167994120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 14431, 28862, 43293, 57724, 72155, 86586, 115448, 144310, 173172, 216465, 288620, 346344, 432930, 577240, 678257, 865860, 1356514, 1731720, 2034771, 2713028, 3391285, 4069542, 5426056, 6782570, 8139084, 10173855, 13565140, 16278168, 20347710, 27130280, 40695420, 81390840]

約数ペア:

[(1, 81390840), (2, 40695420), (3, 27130280), (4, 20347710), (5, 16278168), (6, 13565140), (8, 10173855), (10, 8139084), (12, 6782570), (15, 5426056), (20, 4069542), (24, 3391285), (30, 2713028), (40, 2034771), (47, 1731720), (60, 1356514), (94, 865860), (120, 678257), (141, 577240), (188, 432930), (235, 346344), (282, 288620), (376, 216465), (470, 173172), (564, 144310), (705, 115448), (940, 86586), (1128, 72155), (1410, 57724), (1880, 43293), (2820, 28862), (5640, 14431)]