77326880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28429}}^1$

素因数の和:28461

約数の個数: 48

約数和(自身を含む): 193437720

約数和(自身を除く): 116110840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28429, 56858, 113716, 142145, 227432, 284290, 454864, 483293, 568580, 909728, 966586, 1137160, 1933172, 2274320, 2416465, 3866344, 4548640, 4832930, 7732688, 9665860, 15465376, 19331720, 38663440, 77326880]

約数ペア:

[(1, 77326880), (2, 38663440), (4, 19331720), (5, 15465376), (8, 9665860), (10, 7732688), (16, 4832930), (17, 4548640), (20, 3866344), (32, 2416465), (34, 2274320), (40, 1933172), (68, 1137160), (80, 966586), (85, 909728), (136, 568580), (160, 483293), (170, 454864), (272, 284290), (340, 227432), (544, 142145), (680, 113716), (1360, 56858), (2720, 28429)]