78472440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217979}}^1$

素因数の和:217996

約数の個数: 48

約数和(自身を含む): 255036600

約数和(自身を除く): 176564160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 217979, 435958, 653937, 871916, 1089895, 1307874, 1743832, 1961811, 2179790, 2615748, 3269685, 3923622, 4359580, 5231496, 6539370, 7847244, 8719160, 9809055, 13078740, 15694488, 19618110, 26157480, 39236220, 78472440]

約数ペア:

[(1, 78472440), (2, 39236220), (3, 26157480), (4, 19618110), (5, 15694488), (6, 13078740), (8, 9809055), (9, 8719160), (10, 7847244), (12, 6539370), (15, 5231496), (18, 4359580), (20, 3923622), (24, 3269685), (30, 2615748), (36, 2179790), (40, 1961811), (45, 1743832), (60, 1307874), (72, 1089895), (90, 871916), (120, 653937), (180, 435958), (360, 217979)]