28319580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1201}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 86630544

約数和(自身を除く): 58310964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1201, 1310, 1572, 1965, 2358, 2402, 2620, 3603, 3930, 4716, 4804, 5895, 6005, 7206, 7860, 10809, 11790, 12010, 14412, 18015, 21618, 23580, 24020, 36030, 43236, 54045, 72060, 108090, 157331, 216180, 314662, 471993, 629324, 786655, 943986, 1415979, 1573310, 1887972, 2359965, 2831958, 3146620, 4719930, 5663916, 7079895, 9439860, 14159790, 28319580]

約数ペア:

[(1, 28319580), (2, 14159790), (3, 9439860), (4, 7079895), (5, 5663916), (6, 4719930), (9, 3146620), (10, 2831958), (12, 2359965), (15, 1887972), (18, 1573310), (20, 1415979), (30, 943986), (36, 786655), (45, 629324), (60, 471993), (90, 314662), (131, 216180), (180, 157331), (262, 108090), (393, 72060), (524, 54045), (655, 43236), (786, 36030), (1179, 24020), (1201, 23580), (1310, 21618), (1572, 18015), (1965, 14412), (2358, 12010), (2402, 11790), (2620, 10809), (3603, 7860), (3930, 7206), (4716, 6005), (4804, 5895)]