1221570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{277}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 3707964

約数和(自身を除く): 2486394

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 277, 294, 315, 441, 490, 554, 630, 735, 831, 882, 1385, 1470, 1662, 1939, 2205, 2493, 2770, 3878, 4155, 4410, 4986, 5817, 8310, 9695, 11634, 12465, 13573, 17451, 19390, 24930, 27146, 29085, 34902, 40719, 58170, 67865, 81438, 87255, 122157, 135730, 174510, 203595, 244314, 407190, 610785, 1221570]

約数ペア:

[(1, 1221570), (2, 610785), (3, 407190), (5, 244314), (6, 203595), (7, 174510), (9, 135730), (10, 122157), (14, 87255), (15, 81438), (18, 67865), (21, 58170), (30, 40719), (35, 34902), (42, 29085), (45, 27146), (49, 24930), (63, 19390), (70, 17451), (90, 13573), (98, 12465), (105, 11634), (126, 9695), (147, 8310), (210, 5817), (245, 4986), (277, 4410), (294, 4155), (315, 3878), (441, 2770), (490, 2493), (554, 2205), (630, 1939), (735, 1662), (831, 1470), (882, 1385)]