128944480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{16447}}^1$

素因数の和:16476

約数の個数: 72

約数和(自身を含む): 354388608

約数和(自身を除く): 225444128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 16447, 32894, 65788, 82235, 115129, 131576, 164470, 230258, 263152, 328940, 460516, 526304, 575645, 657880, 805903, 921032, 1151290, 1315760, 1611806, 1842064, 2302580, 2631520, 3223612, 3684128, 4029515, 4605160, 6447224, 8059030, 9210320, 12894448, 16118060, 18420640, 25788896, 32236120, 64472240, 128944480]

約数ペア:

[(1, 128944480), (2, 64472240), (4, 32236120), (5, 25788896), (7, 18420640), (8, 16118060), (10, 12894448), (14, 9210320), (16, 8059030), (20, 6447224), (28, 4605160), (32, 4029515), (35, 3684128), (40, 3223612), (49, 2631520), (56, 2302580), (70, 1842064), (80, 1611806), (98, 1315760), (112, 1151290), (140, 921032), (160, 805903), (196, 657880), (224, 575645), (245, 526304), (280, 460516), (392, 328940), (490, 263152), (560, 230258), (784, 164470), (980, 131576), (1120, 115129), (1568, 82235), (1960, 65788), (3920, 32894), (7840, 16447)]