80147925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 175488768

約数和(自身を除く): 95340843

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 47, 53, 55, 65, 75, 99, 117, 141, 143, 159, 165, 195, 225, 235, 265, 275, 325, 423, 429, 477, 495, 517, 583, 585, 611, 689, 705, 715, 795, 825, 975, 1175, 1287, 1325, 1551, 1749, 1833, 2067, 2115, 2145, 2385, 2475, 2491, 2585, 2915, 2925, 3055, 3445, 3525, 3575, 3975, 4653, 5247, 5499, 6201, 6435, 6721, 7473, 7579, 7755, 8745, 9165, 10335, 10575, 10725, 11925, 12455, 12925, 14575, 15275, 17225, 20163, 22419, 22737, 23265, 26235, 27401, 27495, 31005, 32175, 32383, 33605, 37365, 37895, 38775, 43725, 45825, 51675, 60489, 62275, 68211, 82203, 97149, 100815, 112095, 113685, 116325, 131175, 137005, 137475, 155025, 161915, 168025, 186825, 189475, 246609, 291447, 302445, 341055, 356213, 411015, 485745, 504075, 560475, 568425, 685025, 809575, 1068639, 1233045, 1457235, 1512225, 1705275, 1781065, 2055075, 2428725, 3205917, 5343195, 6165225, 7286175, 8905325, 16029585, 26715975, 80147925]

約数ペア:

[(1, 80147925), (3, 26715975), (5, 16029585), (9, 8905325), (11, 7286175), (13, 6165225), (15, 5343195), (25, 3205917), (33, 2428725), (39, 2055075), (45, 1781065), (47, 1705275), (53, 1512225), (55, 1457235), (65, 1233045), (75, 1068639), (99, 809575), (117, 685025), (141, 568425), (143, 560475), (159, 504075), (165, 485745), (195, 411015), (225, 356213), (235, 341055), (265, 302445), (275, 291447), (325, 246609), (423, 189475), (429, 186825), (477, 168025), (495, 161915), (517, 155025), (583, 137475), (585, 137005), (611, 131175), (689, 116325), (705, 113685), (715, 112095), (795, 100815), (825, 97149), (975, 82203), (1175, 68211), (1287, 62275), (1325, 60489), (1551, 51675), (1749, 45825), (1833, 43725), (2067, 38775), (2115, 37895), (2145, 37365), (2385, 33605), (2475, 32383), (2491, 32175), (2585, 31005), (2915, 27495), (2925, 27401), (3055, 26235), (3445, 23265), (3525, 22737), (3575, 22419), (3975, 20163), (4653, 17225), (5247, 15275), (5499, 14575), (6201, 12925), (6435, 12455), (6721, 11925), (7473, 10725), (7579, 10575), (7755, 10335), (8745, 9165)]