284880420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{143879}}^1$

素因数の和:143905

約数の個数: 72

約数和(自身を含む): 942701760

約数和(自身を除く): 657821340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 143879, 287758, 431637, 575516, 719395, 863274, 1294911, 1438790, 1582669, 1726548, 2158185, 2589822, 2877580, 3165338, 4316370, 4748007, 5179644, 6330676, 6474555, 7913345, 8632740, 9496014, 12949110, 14244021, 15826690, 18992028, 23740035, 25898220, 28488042, 31653380, 47480070, 56976084, 71220105, 94960140, 142440210, 284880420]

約数ペア:

[(1, 284880420), (2, 142440210), (3, 94960140), (4, 71220105), (5, 56976084), (6, 47480070), (9, 31653380), (10, 28488042), (11, 25898220), (12, 23740035), (15, 18992028), (18, 15826690), (20, 14244021), (22, 12949110), (30, 9496014), (33, 8632740), (36, 7913345), (44, 6474555), (45, 6330676), (55, 5179644), (60, 4748007), (66, 4316370), (90, 3165338), (99, 2877580), (110, 2589822), (132, 2158185), (165, 1726548), (180, 1582669), (198, 1438790), (220, 1294911), (330, 863274), (396, 719395), (495, 575516), (660, 431637), (990, 287758), (1980, 143879)]