87989580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69833}}^1$

素因数の和:69855

約数の個数: 72

約数和(自身を含む): 305034912

約数和(自身を除く): 217045332

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, 69833, 139666, 209499, 279332, 349165, 418998, 488831, 628497, 698330, 837996, 977662, 1047495, 1256994, 1396660, 1466493, 1955324, 2094990, 2444155, 2513988, 2932986, 3142485, 4189980, 4399479, 4888310, 5865972, 6284970, 7332465, 8798958, 9776620, 12569940, 14664930, 17597916, 21997395, 29329860, 43994790, 87989580]

約数ペア:

[(1, 87989580), (2, 43994790), (3, 29329860), (4, 21997395), (5, 17597916), (6, 14664930), (7, 12569940), (9, 9776620), (10, 8798958), (12, 7332465), (14, 6284970), (15, 5865972), (18, 4888310), (20, 4399479), (21, 4189980), (28, 3142485), (30, 2932986), (35, 2513988), (36, 2444155), (42, 2094990), (45, 1955324), (60, 1466493), (63, 1396660), (70, 1256994), (84, 1047495), (90, 977662), (105, 837996), (126, 698330), (140, 628497), (180, 488831), (210, 418998), (252, 349165), (315, 279332), (420, 209499), (630, 139666), (1260, 69833)]