51438660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9421}}^1$

素因数の和:9453

約数の個数: 96

約数和(自身を含む): 177284352

約数和(自身を除く): 125845692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 9421, 18842, 28263, 37684, 47105, 56526, 65947, 94210, 113052, 122473, 131894, 141315, 188420, 197841, 244946, 263788, 282630, 329735, 367419, 395682, 489892, 565260, 612365, 659470, 734838, 791364, 857311, 989205, 1224730, 1318940, 1469676, 1714622, 1837095, 1978410, 2449460, 2571933, 3429244, 3674190, 3956820, 4286555, 5143866, 7348380, 8573110, 10287732, 12859665, 17146220, 25719330, 51438660]

約数ペア:

[(1, 51438660), (2, 25719330), (3, 17146220), (4, 12859665), (5, 10287732), (6, 8573110), (7, 7348380), (10, 5143866), (12, 4286555), (13, 3956820), (14, 3674190), (15, 3429244), (20, 2571933), (21, 2449460), (26, 1978410), (28, 1837095), (30, 1714622), (35, 1469676), (39, 1318940), (42, 1224730), (52, 989205), (60, 857311), (65, 791364), (70, 734838), (78, 659470), (84, 612365), (91, 565260), (105, 489892), (130, 395682), (140, 367419), (156, 329735), (182, 282630), (195, 263788), (210, 244946), (260, 197841), (273, 188420), (364, 141315), (390, 131894), (420, 122473), (455, 113052), (546, 94210), (780, 65947), (910, 56526), (1092, 47105), (1365, 37684), (1820, 28263), (2730, 18842), (5460, 9421)]