31473540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24979}}^1$

素因数の和:25001

約数の個数: 72

約数和(自身を含む): 109112640

約数和(自身を除く): 77639100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24979, 49958, 74937, 99916, 124895, 149874, 174853, 224811, 249790, 299748, 349706, 374685, 449622, 499580, 524559, 699412, 749370, 874265, 899244, 1049118, 1124055, 1498740, 1573677, 1748530, 2098236, 2248110, 2622795, 3147354, 3497060, 4496220, 5245590, 6294708, 7868385, 10491180, 15736770, 31473540]

約数ペア:

[(1, 31473540), (2, 15736770), (3, 10491180), (4, 7868385), (5, 6294708), (6, 5245590), (7, 4496220), (9, 3497060), (10, 3147354), (12, 2622795), (14, 2248110), (15, 2098236), (18, 1748530), (20, 1573677), (21, 1498740), (28, 1124055), (30, 1049118), (35, 899244), (36, 874265), (42, 749370), (45, 699412), (60, 524559), (63, 499580), (70, 449622), (84, 374685), (90, 349706), (105, 299748), (126, 249790), (140, 224811), (180, 174853), (210, 149874), (252, 124895), (315, 99916), (420, 74937), (630, 49958), (1260, 24979)]