64966240

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2689}}^1$

素因数の和:2855

約数の個数: 48

約数和(自身を含む): 154556640

約数和(自身を除く): 89590400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1510, 2416, 2689, 3020, 4832, 5378, 6040, 10756, 12080, 13445, 21512, 24160, 26890, 43024, 53780, 86048, 107560, 215120, 406039, 430240, 812078, 1624156, 2030195, 3248312, 4060390, 6496624, 8120780, 12993248, 16241560, 32483120, 64966240]

約数ペア:

[(1, 64966240), (2, 32483120), (4, 16241560), (5, 12993248), (8, 8120780), (10, 6496624), (16, 4060390), (20, 3248312), (32, 2030195), (40, 1624156), (80, 812078), (151, 430240), (160, 406039), (302, 215120), (604, 107560), (755, 86048), (1208, 53780), (1510, 43024), (2416, 26890), (2689, 24160), (3020, 21512), (4832, 13445), (5378, 12080), (6040, 10756)]