216454860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16937}}^1$

素因数の和:17023

約数の個数: 72

約数和(自身を含む): 665866656

約数和(自身を除く): 449411796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 16937, 33874, 50811, 67748, 84685, 101622, 152433, 169370, 203244, 254055, 304866, 338740, 508110, 609732, 762165, 1016220, 1202527, 1524330, 2405054, 3048660, 3607581, 4810108, 6012635, 7215162, 10822743, 12025270, 14430324, 18037905, 21645486, 24050540, 36075810, 43290972, 54113715, 72151620, 108227430, 216454860]

約数ペア:

[(1, 216454860), (2, 108227430), (3, 72151620), (4, 54113715), (5, 43290972), (6, 36075810), (9, 24050540), (10, 21645486), (12, 18037905), (15, 14430324), (18, 12025270), (20, 10822743), (30, 7215162), (36, 6012635), (45, 4810108), (60, 3607581), (71, 3048660), (90, 2405054), (142, 1524330), (180, 1202527), (213, 1016220), (284, 762165), (355, 609732), (426, 508110), (639, 338740), (710, 304866), (852, 254055), (1065, 203244), (1278, 169370), (1420, 152433), (2130, 101622), (2556, 84685), (3195, 67748), (4260, 50811), (6390, 33874), (12780, 16937)]