143377480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2774

約数の個数: 64

約数和(自身を含む): 340876800

約数和(自身を除く): 197499320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 2689, 5332, 5378, 6665, 10664, 10756, 13330, 13445, 21512, 26660, 26890, 53320, 53780, 83359, 107560, 115627, 166718, 231254, 333436, 416795, 462508, 578135, 666872, 833590, 925016, 1156270, 1667180, 2312540, 3334360, 3584437, 4625080, 7168874, 14337748, 17922185, 28675496, 35844370, 71688740, 143377480]

約数ペア:

[(1, 143377480), (2, 71688740), (4, 35844370), (5, 28675496), (8, 17922185), (10, 14337748), (20, 7168874), (31, 4625080), (40, 3584437), (43, 3334360), (62, 2312540), (86, 1667180), (124, 1156270), (155, 925016), (172, 833590), (215, 666872), (248, 578135), (310, 462508), (344, 416795), (430, 333436), (620, 231254), (860, 166718), (1240, 115627), (1333, 107560), (1720, 83359), (2666, 53780), (2689, 53320), (5332, 26890), (5378, 26660), (6665, 21512), (10664, 13445), (10756, 13330)]