320469656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 686162400

約数和(自身を除く): 365692744

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 157, 247, 314, 494, 628, 988, 1033, 1256, 1976, 2041, 2066, 2983, 4082, 4132, 5966, 8164, 8264, 11932, 13429, 16328, 19627, 23864, 26858, 38779, 39254, 53716, 77558, 78508, 107432, 155116, 157016, 162181, 255151, 310232, 324362, 510302, 648724, 1020604, 1297448, 2041208, 2108353, 3081439, 4216706, 6162878, 8433412, 12325756, 16866824, 24651512, 40058707, 80117414, 160234828, 320469656]

約数ペア:

[(1, 320469656), (2, 160234828), (4, 80117414), (8, 40058707), (13, 24651512), (19, 16866824), (26, 12325756), (38, 8433412), (52, 6162878), (76, 4216706), (104, 3081439), (152, 2108353), (157, 2041208), (247, 1297448), (314, 1020604), (494, 648724), (628, 510302), (988, 324362), (1033, 310232), (1256, 255151), (1976, 162181), (2041, 157016), (2066, 155116), (2983, 107432), (4082, 78508), (4132, 77558), (5966, 53716), (8164, 39254), (8264, 38779), (11932, 26858), (13429, 23864), (16328, 19627)]