287984880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{399979}}^1$

素因数の和:399998

約数の個数: 60

約数和(自身を含む): 967151640

約数和(自身を除く): 679166760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 399979, 799958, 1199937, 1599916, 1999895, 2399874, 3199832, 3599811, 3999790, 4799748, 5999685, 6399664, 7199622, 7999580, 9599496, 11999370, 14399244, 15999160, 17999055, 19198992, 23998740, 28798488, 31998320, 35998110, 47997480, 57596976, 71996220, 95994960, 143992440, 287984880]

約数ペア:

[(1, 287984880), (2, 143992440), (3, 95994960), (4, 71996220), (5, 57596976), (6, 47997480), (8, 35998110), (9, 31998320), (10, 28798488), (12, 23998740), (15, 19198992), (16, 17999055), (18, 15999160), (20, 14399244), (24, 11999370), (30, 9599496), (36, 7999580), (40, 7199622), (45, 6399664), (48, 5999685), (60, 4799748), (72, 3999790), (80, 3599811), (90, 3199832), (120, 2399874), (144, 1999895), (180, 1599916), (240, 1199937), (360, 799958), (720, 399979)]