64725640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 167247360

約数和(自身を除く): 102521720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 853, 1084, 1355, 1706, 1897, 2168, 2710, 3412, 3794, 4265, 5420, 5971, 6824, 7588, 8530, 9485, 10840, 11942, 15176, 17060, 18970, 23884, 29855, 34120, 37940, 47768, 59710, 75880, 119420, 231163, 238840, 462326, 924652, 1155815, 1618141, 1849304, 2311630, 3236282, 4623260, 6472564, 8090705, 9246520, 12945128, 16181410, 32362820, 64725640]

約数ペア:

[(1, 64725640), (2, 32362820), (4, 16181410), (5, 12945128), (7, 9246520), (8, 8090705), (10, 6472564), (14, 4623260), (20, 3236282), (28, 2311630), (35, 1849304), (40, 1618141), (56, 1155815), (70, 924652), (140, 462326), (271, 238840), (280, 231163), (542, 119420), (853, 75880), (1084, 59710), (1355, 47768), (1706, 37940), (1897, 34120), (2168, 29855), (2710, 23884), (3412, 18970), (3794, 17060), (4265, 15176), (5420, 11942), (5971, 10840), (6824, 9485), (7588, 8530)]