64336720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 172453248

約数和(自身を除く): 108116528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 877, 917, 1048, 1310, 1754, 1834, 2096, 2620, 3508, 3668, 4385, 4585, 5240, 6139, 7016, 7336, 8770, 9170, 10480, 12278, 14032, 14672, 17540, 18340, 24556, 30695, 35080, 36680, 49112, 61390, 70160, 73360, 98224, 114887, 122780, 229774, 245560, 459548, 491120, 574435, 804209, 919096, 1148870, 1608418, 1838192, 2297740, 3216836, 4021045, 4595480, 6433672, 8042090, 9190960, 12867344, 16084180, 32168360, 64336720]

約数ペア:

[(1, 64336720), (2, 32168360), (4, 16084180), (5, 12867344), (7, 9190960), (8, 8042090), (10, 6433672), (14, 4595480), (16, 4021045), (20, 3216836), (28, 2297740), (35, 1838192), (40, 1608418), (56, 1148870), (70, 919096), (80, 804209), (112, 574435), (131, 491120), (140, 459548), (262, 245560), (280, 229774), (524, 122780), (560, 114887), (655, 98224), (877, 73360), (917, 70160), (1048, 61390), (1310, 49112), (1754, 36680), (1834, 35080), (2096, 30695), (2620, 24556), (3508, 18340), (3668, 17540), (4385, 14672), (4585, 14032), (5240, 12278), (6139, 10480), (7016, 9170), (7336, 8770)]