163637960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 376773120

約数和(自身を除く): 213135160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 157, 284, 314, 355, 367, 568, 628, 710, 734, 785, 1256, 1420, 1468, 1570, 1835, 2840, 2936, 3140, 3670, 6280, 7340, 11147, 14680, 22294, 26057, 44588, 52114, 55735, 57619, 89176, 104228, 111470, 115238, 130285, 208456, 222940, 230476, 260570, 288095, 445880, 460952, 521140, 576190, 1042280, 1152380, 2304760, 4090949, 8181898, 16363796, 20454745, 32727592, 40909490, 81818980, 163637960]

約数ペア:

[(1, 163637960), (2, 81818980), (4, 40909490), (5, 32727592), (8, 20454745), (10, 16363796), (20, 8181898), (40, 4090949), (71, 2304760), (142, 1152380), (157, 1042280), (284, 576190), (314, 521140), (355, 460952), (367, 445880), (568, 288095), (628, 260570), (710, 230476), (734, 222940), (785, 208456), (1256, 130285), (1420, 115238), (1468, 111470), (1570, 104228), (1835, 89176), (2840, 57619), (2936, 55735), (3140, 52114), (3670, 44588), (6280, 26057), (7340, 22294), (11147, 14680)]