64472240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16447}}^1$

素因数の和:16474

約数の個数: 60

約数和(自身を含む): 174381696

約数和(自身を除く): 109909456

約数列:

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

約数ペア:

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