121512040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4409}}^1$

素因数の和:4486

約数の個数: 64

約数和(自身を含む): 300056400

約数和(自身を除く): 178544360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 4409, 5512, 6890, 8818, 13780, 17636, 22045, 27560, 35272, 44090, 57317, 88180, 114634, 176360, 229268, 233677, 286585, 458536, 467354, 573170, 934708, 1146340, 1168385, 1869416, 2292680, 2336770, 3037801, 4673540, 6075602, 9347080, 12151204, 15189005, 24302408, 30378010, 60756020, 121512040]

約数ペア:

[(1, 121512040), (2, 60756020), (4, 30378010), (5, 24302408), (8, 15189005), (10, 12151204), (13, 9347080), (20, 6075602), (26, 4673540), (40, 3037801), (52, 2336770), (53, 2292680), (65, 1869416), (104, 1168385), (106, 1146340), (130, 934708), (212, 573170), (260, 467354), (265, 458536), (424, 286585), (520, 233677), (530, 229268), (689, 176360), (1060, 114634), (1378, 88180), (2120, 57317), (2756, 44090), (3445, 35272), (4409, 27560), (5512, 22045), (6890, 17636), (8818, 13780)]