81276930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{129011}}^1$

素因数の和:129031

約数の個数: 48

約数和(自身を含む): 241510464

約数和(自身を除く): 160233534

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 129011, 258022, 387033, 645055, 774066, 903077, 1161099, 1290110, 1806154, 1935165, 2322198, 2709231, 3870330, 4515385, 5418462, 5805495, 8127693, 9030770, 11610990, 13546155, 16255386, 27092310, 40638465, 81276930]

約数ペア:

[(1, 81276930), (2, 40638465), (3, 27092310), (5, 16255386), (6, 13546155), (7, 11610990), (9, 9030770), (10, 8127693), (14, 5805495), (15, 5418462), (18, 4515385), (21, 3870330), (30, 2709231), (35, 2322198), (42, 1935165), (45, 1806154), (63, 1290110), (70, 1161099), (90, 903077), (105, 774066), (126, 645055), (210, 387033), (315, 258022), (630, 129011)]