68972800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:868

約数の個数: 108

約数和(自身を含む): 184072420

約数和(自身を除く): 115099620

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 829, 832, 1040, 1280, 1300, 1600, 1658, 1664, 2080, 2600, 3200, 3316, 3328, 4145, 4160, 5200, 6400, 6632, 8290, 8320, 10400, 10777, 13264, 16580, 16640, 20725, 20800, 21554, 26528, 33160, 41450, 41600, 43108, 53056, 53885, 66320, 82900, 83200, 86216, 106112, 107770, 132640, 165800, 172432, 212224, 215540, 265280, 269425, 331600, 344864, 431080, 530560, 538850, 663200, 689728, 862160, 1061120, 1077700, 1326400, 1379456, 1724320, 2155400, 2652800, 2758912, 3448640, 4310800, 5305600, 6897280, 8621600, 13794560, 17243200, 34486400, 68972800]

約数ペア:

[(1, 68972800), (2, 34486400), (4, 17243200), (5, 13794560), (8, 8621600), (10, 6897280), (13, 5305600), (16, 4310800), (20, 3448640), (25, 2758912), (26, 2652800), (32, 2155400), (40, 1724320), (50, 1379456), (52, 1326400), (64, 1077700), (65, 1061120), (80, 862160), (100, 689728), (104, 663200), (128, 538850), (130, 530560), (160, 431080), (200, 344864), (208, 331600), (256, 269425), (260, 265280), (320, 215540), (325, 212224), (400, 172432), (416, 165800), (520, 132640), (640, 107770), (650, 106112), (800, 86216), (829, 83200), (832, 82900), (1040, 66320), (1280, 53885), (1300, 53056), (1600, 43108), (1658, 41600), (1664, 41450), (2080, 33160), (2600, 26528), (3200, 21554), (3316, 20800), (3328, 20725), (4145, 16640), (4160, 16580), (5200, 13264), (6400, 10777), (6632, 10400), (8290, 8320)]