81167910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 201553920

約数和(自身を除く): 120386010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 71, 106, 142, 159, 213, 265, 318, 355, 426, 530, 710, 719, 795, 1065, 1438, 1590, 2130, 2157, 3595, 3763, 4314, 7190, 7526, 10785, 11289, 18815, 21570, 22578, 37630, 38107, 51049, 56445, 76214, 102098, 112890, 114321, 153147, 190535, 228642, 255245, 306294, 381070, 510490, 571605, 765735, 1143210, 1531470, 2705597, 5411194, 8116791, 13527985, 16233582, 27055970, 40583955, 81167910]

約数ペア:

[(1, 81167910), (2, 40583955), (3, 27055970), (5, 16233582), (6, 13527985), (10, 8116791), (15, 5411194), (30, 2705597), (53, 1531470), (71, 1143210), (106, 765735), (142, 571605), (159, 510490), (213, 381070), (265, 306294), (318, 255245), (355, 228642), (426, 190535), (530, 153147), (710, 114321), (719, 112890), (795, 102098), (1065, 76214), (1438, 56445), (1590, 51049), (2130, 38107), (2157, 37630), (3595, 22578), (3763, 21570), (4314, 18815), (7190, 11289), (7526, 10785)]