155240180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 334892880

約数和(自身を除く): 179652700

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 212, 265, 274, 530, 548, 685, 1060, 1069, 1370, 2138, 2740, 4276, 5345, 7261, 10690, 14522, 21380, 29044, 36305, 56657, 72610, 113314, 145220, 146453, 226628, 283285, 292906, 566570, 585812, 732265, 1133140, 1464530, 2929060, 7762009, 15524018, 31048036, 38810045, 77620090, 155240180]

約数ペア:

[(1, 155240180), (2, 77620090), (4, 38810045), (5, 31048036), (10, 15524018), (20, 7762009), (53, 2929060), (106, 1464530), (137, 1133140), (212, 732265), (265, 585812), (274, 566570), (530, 292906), (548, 283285), (685, 226628), (1060, 146453), (1069, 145220), (1370, 113314), (2138, 72610), (2740, 56657), (4276, 36305), (5345, 29044), (7261, 21380), (10690, 14522)]